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Find a Pentest Company in California

There are 207 penetration testing companies in California. 77% are small firms (50 or fewer employees) and 23% are larger organizations.

Beagle Security

Beagle Security

Web Application and API
San Francisco, United States 45 employees

Beagle Security is a private computer and network security firm specializing in AI-driven penetration testing platforms; 35 employees with 25% YoY growth, founded in 2020, headquartered in San Francisco, CA. The company provides vulnerability assessment services for web applications, APIs, and GraphQL endpoints, and is active in web security, vulnerability scanning, API security, and DevSecOps. It ranks #491,897 globally with 68,581 monthly visits and has a 4.3/5 employer rating.

Beagle Security Offers Ai-powered Penetration Testing
Vulnerability Assessments
Security Integration Services For Web Applications
+5 more
DeepStrike

DeepStrike

Penetration Testing as a Servi...
San Francisco, United States 15 employees

DeepStrike is a private cybersecurity firm specializing in penetration testing and attack surface management; founded in 2016, with 7 employees based in San Francisco, California, USA. Recognized as a leader in its field, it serves global enterprises including Fortune 500 companies and unicorn startups, with a monthly web traffic of 165,347 visits and a global rank of #285,050.

The Company Offers Penetration Testing As A Service (ptaas)
Continuous And Manual Penetration Testing
Vulnerability Tracking And Remediation
+3 more
CERTINETY

CERTINETY

Network Penetration Testing
San Francisco, United States 2 employees

CERTINETY is a cybersecurity firm based in San Francisco, California, specializing in automated penetration testing and continuous security resilience testing. With 2 employees, it offers an easy-to-install platform that enables organizations to conduct complex pentest tasks with minimal effort, emphasizing automation and user-friendly security testing solutions.

The Company Offers Automated Penetration Testing
Continuous Cyber Security Resilience Testing
Compliance Enforcement
+1 more
CAL IT Group

CAL IT Group

Network Security
Huntington Beach, United States 15 employees

CAL IT Group is a private IT and services company based in Huntington Beach, California, founded in 2016 with 12 employees and 50% YoY growth. They provide managed IT, cybersecurity, cloud, and business technology services, including penetration testing to identify security vulnerabilities; 12 employees; Information Technology & Services; Founded 2016; Huntington Beach, CA.

The Company Offers Managed IT Services
Cybersecurity Including Penetration Testing
Business Communications
+2 more
Discloze

Discloze

Cloud
Los Angeles, United States 5 employees

Cybersecurity company specializing in penetration testing and collaborative security; 6 employees with 66.7% YoY growth; headquartered in Los Angeles, California, USA; offers vulnerability assessments, risk management, and advanced security practices to enhance digital security.

The Company Offers Penetration Testing
Vulnerability Management
Cloud Security
+2 more
Fuzzing Security Inc.

Fuzzing Security Inc.

Application Security
California 2 employees

Fuzzing Security Inc. is a California-based computer and network security company specializing in security testing, penetration testing, code review, and vulnerability discovery; headquartered in San Francisco, CA, with services including red-teaming, application security testing, and zero-day vulnerability detection.

Fuzzing Security Inc. Offers Penetration Testing
Security Testing
Code Review
+5 more
AccessQuint LLC

AccessQuint LLC

Web Application
Pleasanton, United States 26 employees

AccessQuint LLC is a private cybersecurity company specializing in computer and network security; founded in 2018 with 2 employees in Pleasanton, California, USA. The firm emphasizes threat detection, response, and security architecture, with a specific focus on penetration testing services tailored to client environments.

The Company Offers Penetration Testing
Security Consulting
Application Security
+5 more
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Cyber Solutions Pro

Cyber Solutions Pro

Network and Systems
Huntington Beach, United States 5 employees

Cyber Solutions Pro is a private IT services and cybersecurity consulting company based in Huntington Beach, California, founded in 2020 with 2 employees. It specializes in penetration testing, network threat assessments, security audits, and cyber threat hunting, actively providing these services to clients; headquartered in California, USA.

The Company Offers Penetration Testing
Network Threat Assessments
Security Audits
+5 more
SharkStriker Inc

SharkStriker Inc

Network
Walnut Creek, United States 40 employees

Cybersecurity company specializing in network security, penetration testing, and vulnerability assessments; 33 employees (+25% YoY growth), $6M revenue; headquartered in Walnut Creek, California, USA; operates in 30+ countries; recent product launch and industry awards highlight innovation and market presence.

The Company Offers Managed Detection And Response
SIEM As A Service
SOC As A Service
+3 more
NextZen Security

NextZen Security

Web Application
Los Angeles, United States 11 employees

Cybersecurity company specializing in penetration testing and security consulting; provides web application, internal, and external network security testing, along with security architecture and strategy services; based in Los Angeles, California, with 2 employees, founded in 2016.

Nextzen Security Offers Penetration Testing
Vulnerability Assessments
Security Consulting
+3 more
Amrux Tech LLC

Amrux Tech LLC

Network and Web Application
Sunnyvale, United States 2 employees

IT services and consulting company specializing in cybersecurity, system integration, and managed services; offers penetration testing and vulnerability assessments; founded 2025; based in Sunnyvale, California, with 2 employees and rapid 100% monthly growth.

The Company Offers IT Services And Consultancy
Cybersecurity Solutions Including Penetration Testing And Vulnerability Assessments
Tech Acceleration Programs To Enhance Business Growth And Security.
Truvantis, Inc.

Truvantis, Inc.

Customized Penetration Testing
San Francisco, United States 13 employees

Cybersecurity consulting firm specializing in security and privacy testing, program implementation, compliance assessments, and outsourcing; provides penetration testing services including network and small-business pentests with an offensive security focus; based in San Francisco, California, with 8 employees and $2.2M annual revenue.

Truvantis
Inc. Offers Comprehensive Security
Privacy
+5 more
ZecTrex

ZecTrex

Cloud
Oakley, United States 3 employees

ZecTrex is a private cybersecurity firm based in Oakley, California, founded in 2025, with 3 employees. It specializes in AI-driven security solutions, including penetration testing, compliance automation, digital forensics & incident response, and secure code analysis, emphasizing proactive defense and resilience.

The Company Offers Ai-driven Cybersecurity Solutions Including Penetration Testing
Compliance Automation
Digital Forensics And Incident Response
+4 more
Astro Information Security

Astro Information Security

Network
San Francisco, United States 15 employees

IT services and consulting company specializing in cybersecurity; founded 2024, based in San Francisco, CA, with 10 employees and 150% YoY growth. Offers MXDR, penetration testing, SOC assessments, and cybersecurity consulting, founded by ex-NASA and NSA cybersecurity experts.

Astro Information Security Offers Penetration Testing
Managed Detection And Response (mdr)
Security Assessments
+3 more
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Internetworking Specialists, Inc. (INSI)

Internetworking Specialists, Inc. (INSI)

Network
Hayward, United States 6 employees

Internetworking Specialists, Inc. (INSI) is a private IT services and consulting firm specializing in cybersecurity, including penetration testing, vulnerability assessments, and ethical hacking; headquartered in Hayward, California, with 3 employees and $31.2M annual revenue, founded in 1998.

The Company Offers Penetration Testing
Vulnerability Assessments
Ethical Hacking Services.
VULNERA

VULNERA

Network and Cloud
Los Angeles, United States 3 employees

VULNERA is a private computer and network security company based in Los Angeles, California, founded in 2022 with 2 employees and 50% YoY growth; it specializes in vulnerability management, offering continuous asset and vulnerability tracking, risk prioritization, and remediation validation. The company explicitly provides penetration testing services, including manual and automated assessments to emulate attacks, supported by its service offerings and categorization.

The Company Offers Penetration Testing
Continuous Vulnerability Scanning
Risk-based Prioritization
+5 more
Inspectiv

Inspectiv

Application Security
Culver City, United States 61 employees

Inspectiv is a private computer and network security company based in Culver City, California, specializing in application security testing; it offers penetration testing, bug bounty programs, DAST, and vulnerability disclosure within a unified platform. The firm has 45 employees (+35.6% YoY growth), generates $5.1M in annual revenue, and is positioned as a niche player with a global rank of #1,518,712 and a country rank of #509,473, competing with firms like Red Canary and Critical Start.

The Company Offers Penetration Testing
Bug Bounty Programs
Feature Testing
+1 more
6 Paths Cyber Security

6 Paths Cyber Security

Network and Application
Los Angeles, United States 2 employees

Cybersecurity company specializing in penetration testing; provides expert, U.S.-based penetration testing services with a focus on vulnerability identification, exploitation, and mitigation; founded 2020, 2 employees, headquartered in Los Angeles, California.

The Company Offers Comprehensive Penetration Testing Services Including Internal And External Network Testing
Web Application And API Testing
Social Engineering
+4 more
Cobalt

Cobalt

Web Application
San Francisco, United States 543 employees

Cybersecurity company specializing in offensive security and penetration testing services; 263 employees, $40M annual revenue, founded 2013 in San Francisco, CA; $37M funding, Series B in 2020; leader in pentesting as a service with a global rank of #218,785 and 168,644 monthly visits.

The Company Offers A Comprehensive Range Of Offensive Security Services Including Penetration Testing As A Service (ptaas)
Continuous Security Testing
Application Security (web
+5 more
TripleSEC Consulting

TripleSEC Consulting

Web Application
Mountain View, United States 4 employees

Cybersecurity consulting firm specializing in penetration testing, security audits, and security strategy; based in Mountain View, California, with 4 employees; founded in 2014; provides comprehensive pentest services including web, mobile, network, and physical testing, following standard methodologies.

The Company Offers Penetration Testing
Security Audits
Compliance Consulting
+2 more
Cybermotiv

Cybermotiv

Network Penetration Testing
San Diego, United States 3 employees

Cybermotiv is a private cybersecurity and IT services company founded in 2020, headquartered in San Diego, California, with 2 employees. It specializes in cybersecurity services including penetration testing, risk management, compliance (SOC 2, PCI), and digital learning security. The company emphasizes proactive risk mitigation and tailored policies, serving educational and digital environments.

Cybermotiv Offers Vcto And Vciso Leadership Services
Continuous Compliance Management
Penetration Testing
+3 more
we45

we45

Web Application and Cloud
San Jose, United States 37 employees

IT services and consulting company specializing in cybersecurity and penetration testing; offers web, mobile, API, authentication, and cloud pentests with results in 24-48 hours; based in San Jose, California, with 22 employees, $5.5M revenue, founded 2019.

The Company Offers Penetration Testing
Threat Modeling As A Service
AI Security Services
+5 more
Black Cat Security

Black Cat Security

Adversary Emulation
San Francisco, United States 53 employees

Cybersecurity and IT services firm specializing in penetration testing, digital forensics, incident response, and adversary emulation; 53 employees with 43.2% YoY growth; founded 2015; headquartered in San Francisco, California, USA.

The Company Offers Penetration Testing
Digital Forensics
Incident Response
+5 more
Cyber Security Consulting

Cyber Security Consulting

Network
Glendale, United States 126 employees

Cyber Security Consulting is a private cybersecurity firm based in Glendale, California, specializing in managed security services, MDR, digital forensics, incident response, security audits, risk management, and penetration testing; it is located in the United States and focuses on cybersecurity consulting services.

The Company Offers Penetration Testing
Managed Security Services
Managed Detection And Response
+1 more
SEWORKS

SEWORKS

Web Application and API
San Francisco, United States 28 employees

Cybersecurity company specializing in web and API penetration testing, cyber threat intelligence, and account takeover detection; founded in 2015, based in San Francisco, CA; 15 employees with 3.7% monthly growth; $1.5M annual revenue, $12M total funding; offers AI-powered Pentoma for automated penetration testing; active in cybersecurity, SaaS, deep learning, and AI-driven security.

SEWORKS Offers Ai-powered Penetration Testing
Credential Leak Detection And Breach Response
Mobile App Security
+2 more
Infiltra.ai

Infiltra.ai

Web Application
San Francisco, United States 5 employees

Infiltra.ai is a cybersecurity company specializing in AI-driven penetration testing; with 3 employees, founded in 2025, and headquartered in San Francisco, California, it offers a platform that continuously assesses, validates, and exploits vulnerabilities to deliver actionable insights and risk validation.

Infiltra.ai Offers Ai-powered Automated Penetration Testing
Continuous Vulnerability Assessment
Validation
+2 more
Cobaltix Compliance

Cobaltix Compliance

Network and Web Application
San Francisco, United States 2 employees

Cybersecurity company specializing in risk assessments, vulnerability assessments, penetration testing, and vendor due diligence; based in California with 2 employees, -60% YoY growth, and 618 monthly website visits. Provides scoped penetration testing services for networks and websites, emphasizing real-world hacking simulations.

The Company Offers Risk Assessments
Policy And Procedure Creation
Vulnerability Assessments
+5 more
Strive Services, LLC

Strive Services, LLC

Network
San Luis Obispo, United States 2 employees

IT consulting company specializing in cybersecurity, disaster recovery, and cloud services; provides penetration testing, security audits, HIPAA compliance, and managed IT solutions; based in San Luis Obispo, California, with 2 employees and 100% YoY growth.

The Company Offers Penetration Testing And Security Audits
HIPAA Audit And Reporting
Local/hybrid And Cloud Disaster Recovery
+4 more
SutroSec

SutroSec

Network
San Francisco, United States 7 employees

Cybersecurity company specializing in computer and network security; offers penetration testing, red teaming, digital forensics, incident response, and malware analysis services; based in San Francisco, California with 7 employees; founded in 2015.

Sutrosec Offers Penetration Testing
Red Teaming
Incident Detection And Response
+4 more
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Phobos Group

Phobos Group

Attack Surface
San Marcos, United States 8 employees

IT services and cybersecurity consulting firm specializing in attack surface mapping, attack simulation (penetration testing), threat intelligence, and incident response; 8 employees; founded 2016; headquartered in San Marcos, CA; provides tailored security services to organizations, with a focus on attack simulation for vulnerability identification.

Phobos Group Offers Attack Surface Mapping
Attack Simulation (penetration Testing)
Threat Intelligence
+5 more
Linea Secure

Linea Secure

Network and Application-Level ...
Marina del Rey, United States 7 employees

Cybersecurity company specializing in AI-enhanced defense strategies, penetration testing, and security assessments; based in Marina del Rey, California, with 3 employees, founded in 2018. Offers services including vulnerability exploitation and security planning for large organizations and pension systems.

The Company Offers Penetration Testing
Vulnerability Assessments
Ai-enhanced Threat Detection
+4 more
Security Centric Inc.

Security Centric Inc.

Network and Infrastructure
Livermore, United States 6 employees

IT services and cybersecurity company based in Livermore, California; 5 employees; founded 2016; specializes in secure cloud environments, virtualization, and penetration testing; achieved FedRAMP Moderate Ready status for StormCloud Gov in April 2025.

The Company Offers Cybersecurity Enablement Services Including Secure Virtualization Technology
Cybersecurity Courseware Development
Security Assessments
+5 more
Certus Cybersecurity

Certus Cybersecurity

Web Application
Redwood City, United States 20 employees

Certus Cybersecurity is a private cybersecurity company specializing in penetration testing and product security services; based in Redwood City, California, with 15 employees, $1M-$5M revenue, and a global rank of #9,845,276. They offer web, mobile, and network penetration testing, application security, code review, and cybersecurity governance.

Certus Cybersecurity Offers Penetration Testing
Secure Code Review
Threat Modeling
+4 more
Somerset Recon, Inc.

Somerset Recon, Inc.

Embedded/IoT
San Diego, United States 3 employees

Private computer and network security consulting firm based in San Diego, California; specializes in hardware/software security, security analysis, incident response, reverse-engineering, and penetration testing services including black box and network testing; founded 2012 with 3 employees.

The Company Offers Security Analysis
Training
Consulting
+5 more
HotWAN

HotWAN

RF and Hardware Hacking
San Francisco, United States 2 employees

Private IT & Services company specializing in AI cybersecurity penetration testing; based in San Francisco, California, with 2 employees. Provides comprehensive testing capabilities including Machine Learning, Cloud, RF, Hardware Hacking, IoT, Embedded, Medical Devices, Drones, and Mobile.

Hotwan Offers Ai-driven Cybersecurity Penetration Testing Services
Including Machine Learning
Cloud
+5 more
White Hat Co.

White Hat Co.

Network and Web Application
San Francisco, United States 5 employees

IT services and consulting company specializing in information security, digital forensics, and penetration testing; based in San Francisco, CA with 5 employees and +66.7% YoY growth; develops proprietary analysis software for investigations.

The Company Offers Penetration Testing
Network Security
Incident Detection And Response Support
+3 more
Canaudit, Inc.

Canaudit, Inc.

Network
Burbank, United States 6 employees

Cybersecurity company specializing in IT audit, security consulting, and penetration testing; 3 employees with 50% YoY growth, $27.3M revenue, founded 1985, headquartered in Burbank, California, USA; offers network penetration assessments, forensic analysis, and compliance services, with a focus on modern information security solutions.

The Company Offers Penetration Testing
Vulnerability Assessments
IT Security Audits
+5 more
Bugcrowd

Bugcrowd

Web Application
San Francisco, United States 3532 employees

Bugcrowd is a cybersecurity company specializing in crowdsourced penetration testing and attack surface management; with 2,332 employees, $11.4B annual revenue, founded in 2012, headquartered in San Francisco, CA, and $230.7M in total funding, it provides a platform for security testing across various domains, emphasizing risk-based vulnerability management and threat mitigation.

Bugcrowd Offers Crowdsourced Cybersecurity Services Including Bug Bounty Programs
Vulnerability Disclosure
Penetration Testing As A Service
+2 more
Xcape, Inc.

Xcape, Inc.

Remote Network and Infrastruct...
Los Angeles, United States 8 employees

IT security and consulting company specializing in penetration testing, red team activities, and remote security assessments; based in Los Angeles, CA with 4 employees, founded in 2006, experiencing 100% YoY growth, and serving clients with large-scale testing capabilities.

Xcape
Inc. Offers Cybersecurity And IT Services Including Penetration Testing
Managed Detection And Response
+5 more
Breadcrumb Cybersecurity

Breadcrumb Cybersecurity

Web Application and Cloud
Fresno, United States 100 employees

Cybersecurity company specializing in incident response, digital forensics, compliance, and managed security; 9 employees with 100% YoY growth; headquartered in Fresno, California, USA; offers penetration testing, SOC/MDR, CMMC assessments, and expert witness services.

Breadcrumb Cybersecurity Offers Penetration Testing
Digital Forensics
Incident Response
+4 more
NETSYNTROPY

NETSYNTROPY

Network and Virtual Red Team
Irvine, United States 2 employees

NETSYNTROPY is a private IT & cybersecurity company founded in 2016, headquartered in Irvine, California, with 2 employees. It provides managed security solutions, including penetration testing, security assessments, threat hunting, and virtual red team engagements, serving clients in healthcare, fintech, and other sectors.

The Company Offers IT Security Assessments Including Penetration Testing And Threat Hunting
Managed Services Such As Cloud Management And Virtual CISO
Project Services Including Data Center Moves
+3 more
VasSecCo

VasSecCo

External
Huntington Beach, United States 2 employees

Cybersecurity consulting company specializing in security transformation, vulnerability management, and penetration testing; based in Huntington Beach, California, with 2 employees since 2022.

Vassecco Offers Cybersecurity Consulting Services Including Virtual CISO
Security Strategy And Framework Implementation
Vulnerability Management
+5 more
Hoodwink Consulting LLC

Hoodwink Consulting LLC

Tailored Penetration Testing
Fresno, United States 3 employees

Cybersecurity company specializing in computer and network security; offers penetration testing and tailored cybersecurity services; based in Fresno, California with 2 employees, -25% YoY growth.

The Company Offers Penetration Testing
Cybersecurity Advisory Services
Continuous And Recurring Testing
+3 more
Toshiba

Toshiba

Print and Cloud Security
Irvine, United States 8586 employees

Private appliances, electrical, and electronics manufacturer based in Irvine, California; 2,318 employees with 2.7% YoY growth; active in energy, semiconductors, IoT, and digital solutions; provides penetration testing services including Red Team assessments and internal penetration testing, as documented in cybersecurity reports and white papers.

Toshiba Americas Group Provides Comprehensive Services Including Advanced Power Generation And Decarbonization Technologies
Industrial Motors And Power Electronics
Semiconductor And Data Storage Solutions
+4 more
banshee networks inc.

banshee networks inc.

Network
California 2 employees

Information Technology & Services company specializing in network penetration testing; based in Fairfield, California, with 2 employees and a small online footprint.

The Company Offers Network Penetration Testing
Forensic Analysis
Security Monitoring And Maintenance Services.
Kivu Consulting (a part of Quorum Cyber)

Kivu Consulting (a part of Quorum Cyber)

External Network
Berkeley, United States 35 employees

Cybersecurity and incident response firm based in Berkeley, California; 21 employees, $3.0M revenue, founded 2009; specializes in forensic response, breach management, and penetration testing, including external and deep fake testing services; global rank #9,052,495, serving clients worldwide.

The Company Offers Incident Response
Penetration Testing
Risk Management
+5 more
Calif

Calif

Red Teaming
California 20 employees

Cybersecurity firm specializing in penetration testing and red teaming; based in Sunnyvale, CA, with services including breach simulations for clients like Anthropic and YouTube TV.

The Company Offers Red Teaming
Security Engineering
Cryptography Consulting
+1 more
Alcala Consulting Inc

Alcala Consulting Inc

Network and Compliance
Pasadena, United States 6 employees

Cybersecurity company specializing in penetration testing; based in Pasadena, California, with 3 employees, $21.3K annual revenue, founded in 1997, providing active security testing services to identify vulnerabilities and improve security posture.

The Company Offers Penetration Testing
Cybersecurity Risk Assessment
IT Security Compliance
+5 more
Cyber Guards LLC

Cyber Guards LLC

Web Application
California 11 employees

Cyber Guards LLC is a California-based cybersecurity firm specializing in penetration testing services for applications, networks, APIs, and cloud infrastructure; headquartered in San Francisco, CA, with a full scope of pentest offerings.

The Company Offers Penetration Testing Services For Web Applications
Apis
Cloud Infrastructure
+2 more
CyberBear

CyberBear

Network Penetration Testing
California 3 employees

IT services and consulting company specializing in SaaS, penetration testing, and IT consulting; based in California, United States; founded in 2019; partnership; offers SMB-focused cybersecurity solutions.

The Company Offers Saas
Penetration Testing
IT Consulting Services To SMB Customers.
HAK5, LLC

HAK5, LLC

Wireless Network
San Francisco, United States 19 employees

HAK5, LLC is a private computer networking and cybersecurity company based in San Francisco, California, with 5 employees; known for hacker tools like WiFi Pineapple and USB Rubber Ducky, and providing penetration testing services through products like WiFi Pineapple Enterprise, which includes wireless penetration testing engagements.

The Company Offers Penetration Testing Services
Red Team Tools
Pentest Gear
+2 more
The DigiTrust Group

The DigiTrust Group

Web Application
Los Angeles, United States 18 employees

Cybersecurity firm specializing in offensive and defensive security, incident response, vulnerability assessments, and penetration testing; $31.5M annual revenue, 6 employees; founded 1998; headquartered in Los Angeles, CA, USA; active threat hunting and incident management services.

The Company Offers Offensive Cyber Security Consulting
Defensive Managed Services Including Continuous Incident Response And Forensics
Tailored Offensive And Defensive Security Capabilities.
AllSafe IT

AllSafe IT

Network and Cloud
Pasadena, United States 50 employees

AllSafe IT is a private IT & cybersecurity company based in Pasadena, California, founded in 2005, with 16 employees and a -2% YoY growth. They specialize in IT solutions, including penetration testing services, and serve a global market with 5,134 monthly visits and a low web rank (#3,555,038). The firm focuses on managed IT support, cybersecurity, cloud, and infrastructure, with a market position of #3,555,038 globally and #1,878,860 in the US.

The Company Offers Managed IT Services
Cloud Infrastructure Management
Ai-powered Workflow Automation
+2 more
Zymr, Inc. | Software Product Engineering Services

Zymr, Inc. | Software Product Engineering Services

Cloud Security
San Jose, United States 204 employees

Zymr, Inc. is a California-based private IT services and consulting company specializing in software product engineering, digital transformation, platform engineering, and cybersecurity including penetration testing; 143 employees, $16.7M annual revenue, founded in 2012, with active penetration testing services as evidenced by dedicated cybersecurity offerings.

The Company Offers Software Product Engineering
Software Testing Including Penetration Testing And Security Assessments
Devops And Devsecops Services
+2 more
Horizon3.ai

Horizon3.ai

Autonomous Pentesting
California 258 employees

Cybersecurity company specializing in penetration testing; offers NodeZero platform for continuous autonomous pentesting, including external and PCI compliance testing; headquartered in San Francisco, California, USA.

Horizon3.ai Offers Autonomous Penetration Testing Services Including Internal
External
Cloud Pentesting
+5 more
HackerOne

HackerOne

Web Application
San Francisco, United States 6400 employees

Cybersecurity company specializing in vulnerability management, bug bounty, and penetration testing; 3,643 employees, $50M revenue, founded 2012 in San Francisco, CA; offers pentest services via PTaaS with vetted elite hackers; $159.4M total funding; global leader in CTEM; over 1.49M monthly website visits, ranked #28,429 globally.

Hackerone Offers Penetration Testing
Bug Bounty Programs
AI Red Teaming
+5 more
Be Structured Technology Group

Be Structured Technology Group

Network
California 25 employees

Managed IT services provider based in Los Angeles, California, operating since 2007; offers proactive IT support and security solutions, including professional penetration testing services.

The Company Offers Managed IT Services
IT Consulting
IT Security And Penetration Testing
+5 more
Caiman Security

Caiman Security

Network and Cloud
California 3 employees

Cybersecurity service provider based in Burbank, California; specializes in vulnerability assessments and penetration testing, with a focus on helping small and medium-sized businesses strengthen defenses and ensure compliance.

The Company Offers Cybersecurity As A Service
Vciso Services
Penetration Testing And Vulnerability Assessments
+5 more
Wallarm: API Security Leader

Wallarm: API Security Leader

API Security
San Francisco, United States 187 employees

Wallarm Inc. is a private cybersecurity firm specializing in API security, real-time application protection, and API-specific penetration testing; 135 employees, $20.1M revenue, founded in 2016, headquartered in San Francisco, CA; raised $106M in funding, with recent Series C in July 2025; actively offers API pentesting and AI security testing services, positioning as a leader in API security and threat prevention.

Wallarm Provides Comprehensive API Security Services Including Real-time Threat Protection
API Penetration Testing
Automated Security Testing
+4 more
eSecurity Solutions

eSecurity Solutions

Network, Application, and Soci...
California 8 employees

Cybersecurity service provider based in Irvine, California; offers GRC, managed security, cyber insurance, and penetration testing services including red team and continuous testing.

The Company Offers Cybersecurity Services Including Governance
Risk
Compliance (grc)
+5 more
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Cyber Defense Group

Cyber Defense Group

Comprehensive Penetration Test...
California 50 employees

Cyber Defense Group is a cybersecurity consulting firm headquartered in Pasadena, California; 50+ employees; Industry: Cybersecurity Consulting; Founded: 2010; Location: Pasadena, CA. They specialize in penetration testing services, helping organizations proactively identify and address security vulnerabilities with ethical hacking.

The Company Offers Cybersecurity Consulting Services Including Virtual CISO Leadership
Risk Assessments
Penetration Testing
+4 more
Progent

Progent

Network
California 75 employees

IT consulting firm based in California, specializing in network support, cybersecurity, and penetration testing; offers 24/7 expert support with dedicated security assessments and PEN testing services; headquartered in San Jose, CA.

Progent Offers IT Consulting Services Including Network Support
Cybersecurity
Penetration Testing
+5 more
Infoguard Cyber Security

Infoguard Cyber Security

Network
California 2 employees

California-based cybersecurity company with multiple offices in San Jose and Irvine; specializes in penetration testing services, including vulnerability assessments and ethical hacking, as evidenced by dedicated website content on pentest benefits and security loophole identification.

The Company Offers Penetration Testing
Vulnerability Assessments
Ethical Hacking
+5 more
CrowdStrike

CrowdStrike

Adversary Emulation and Cloud ...
Other 10941 employees

CrowdStrike is a private cybersecurity company specializing in computer and network security, with 7,522 employees, $4.6B annual revenue, and a $76.2B market cap. Based in Sunnyvale, California, it has received $1.2B in total funding, last raising in December 2022. The firm offers penetration testing services that simulate real-world attacks to assess detection and response capabilities, emphasizing adversary-emulation and red team activities. It competes with major cybersecurity firms and maintains a strong global market presence.

Crowdstrike Offers Cybersecurity Services Including Penetration Testing
Adversary Emulation
Endpoint Protection
+5 more
Alt Consulting

Alt Consulting

General Penetration Testing
California 50 employees

Cybersecurity and IT consulting firm specializing in legal industry solutions; based in Los Angeles, CA, with services including penetration testing by certified teams and managed IT services for law firms.

Alt Consulting Offers Cybersecurity Services Including Penetration Testing
IT Consulting
Managed IT Services For Law Firms
+5 more
Careful Security

Careful Security

Compliance-Focused
California 5 employees

Cybersecurity firm based in Burbank, California; specializes in full-service security program implementation including penetration testing, policies, controls, SIEM, and evidence collection; guarantees audit readiness in 90 days.

The Company Offers Full-service Security Program Implementation Including Penetration Testing
Policy Development
Controls Implementation
+3 more
CyberSurance

CyberSurance

Cloud
California 11 employees

CyberSurance is a cybersecurity firm headquartered in Westlake Village, California, providing comprehensive security services including penetration testing; it specializes in proactive vulnerability assessments and simulated attack testing to identify security weaknesses.

The Company Offers Penetration Testing
Vulnerability Management
Digital Forensics
+5 more
WATI

WATI

Web Application Penetration Te...
California 61 employees

California-headquartered cybersecurity solutions provider specializing in penetration testing and vulnerability assessments; based in Manhattan Beach, CA, serving government and tech clients.

The Company Offers Cybersecurity Services Including Penetration Testing
Red Teaming
Information Security
+5 more
CyberDuo

CyberDuo

Network
California 28 employees

CyberDuo is a cybersecurity-focused managed IT services provider based in Los Angeles, California; it offers cybersecurity solutions including penetration testing services, supporting SMBs in managing and securing their IT infrastructure.

Cyberduo Offers Managed IT Services
Cybersecurity Solutions Including Penetration Testing And Vulnerability Management
Cloud Security And Managed Cloud Services
+3 more
Net Force

Net Force

Internal and External Network
California 50 employees

Cybersecurity firm based in City of Industry, California; provides penetration testing and attack simulation services to enhance security posture.

The Company Offers Penetration Testing
Attack Simulations
Cybersecurity Maturity Model Certification Readiness
+1 more
Cybereason

Cybereason

Network and Endpoint
California 1000 employees

Cybereason is an American cybersecurity technology company founded in 2012, headquartered in La Jolla, California; it specializes in AI-driven XDR platforms, threat detection, incident response, and offensive security services including penetration testing and red team exercises. The company was acquired by LevelBlue in November 2025 and maintains a global presence with offices worldwide.

Cybereason Offers Ai-driven XDR Platforms
Threat Detection
Incident Response
+5 more
Generation IX Technologies

Generation IX Technologies

Network
Culver City, United States 38 employees

Generation IX Technologies is a California-based IT services and consulting company founded in 1996, with 28 employees and $32.2M revenue. They provide managed IT, cybersecurity, breach response, and penetration testing services, including attack simulations and ethical hacking, primarily serving small and medium businesses in Los Angeles. The firm has a global web presence with 3,055 monthly visits and a ranking of #4,528,118.

Generation IX Technologies Offers Managed IT Services
IT Support
Helpdesk
+5 more
Emagined Security

Emagined Security

Network and Web Application
California 18 employees

Cybersecurity company headquartered in San Carlos, California; offers penetration testing, managed SOC, vCISO, and other cybersecurity services; now part of Neovera after acquisition; CREST-certified pentest provider for network, application, and red team testing.

Emagined Security Offers Penetration Testing
Managed Security Services
Virtual CISO
+4 more
Palo Alto Networks

Palo Alto Networks

Network Security
Santa Clara, United States 18521 employees

Private cybersecurity company specializing in computer and network security; 13,033 employees (+11.2% YoY), $9.6B revenue, $105.1B market cap, headquartered in Santa Clara, CA; offers penetration testing via Unit 42, including attack simulations and vulnerability testing; competes with Fortinet, Forcepoint, Zscaler.

Palo Alto Networks Offers A Comprehensive Range Of Cybersecurity Services Including Ai-powered Network Security
Penetration Testing
Threat Intelligence
+4 more
Vanta

Vanta

Automated Penetration Testing
San Francisco, United States 1553 employees

Software development company specializing in automated compliance, vendor risk management, and trust platform solutions; 999 employees (+106.5% YoY growth), $210.1M annual revenue, $503M total funding; provides penetration testing services via external partners and platform integrations, including partnerships with XBOW and Heyhack; headquartered in San Francisco, California, United States; trusted by 14,000+ customers including Atlassian and Duolingo.

Vanta Provides Ai-powered Trust Management Services Including Automated Compliance
Continuous Governance
Risk And Compliance (grc)
+4 more
Bright Defense

Bright Defense

Network, Web Application, and ...
Culver City, United States 14 employees

Bright Defense is a private cybersecurity company founded in 2023, based in Culver City, California, USA, with 4 employees and 366.7% YoY growth. It specializes in continuous cybersecurity compliance services, including penetration testing, vulnerability management, and security assessments, serving SMBs and MSPs. The company actively provides penetration testing services across network, web, API, and cloud environments, with 33,967 monthly visits and a global rank of #818,943.

Bright Defense Offers Continuous Cybersecurity Compliance
Penetration Testing
Security Assessment And Remediation
+2 more
CA

Cyber Analytics LLC

Network
California 3 employees

Cyber Analytics LLC is a cybersecurity firm headquartered in Mountain House, California, offering network security solutions and penetration testing services. Their product suite includes CyberSpaceSuite™, a scalable network node identification tool; eSOC, a real-time network mapping device; and CyberSpace Environment (CSE), a portable device for cloning, emulation, and security testing.

The Company Offers Cybersecurity Solutions Including Network Security
Penetration Testing
Cyber Risk Identification
+1 more
Netready

Netready

Network and Vulnerability
California 9 employees

Managed IT services and IT security provider based in Pasadena, CA; offers penetration testing, vulnerability assessments, and IT consulting; serves businesses in California.

The Company Offers Managed IT Services
IT Security Services Including Penetration Testing And Vulnerability Assessments
IT Consulting
+5 more
Pine Risk Management

Pine Risk Management

Physical Red Teaming
San Francisco, United States 3 employees

Security and investigations company specializing in penetration testing, red teaming, and security consulting; founded in 2023, with 3 employees, based in San Francisco, California, USA; provides governance, risk, and compliance services, with a focus on physical and technological security solutions.

The Company Offers Red Teaming
Security Consulting
Privacy And Personnel Protection Services
+3 more
Bay Mountain Security

Bay Mountain Security

Cloud and Network
San Francisco, United States 2 employees

Bay Mountain Security is a private computer and network security company based in San Francisco, California, founded in 2014; specializing in ISO training, certification, consulting, and security frameworks, with a focus on penetration testing services. The firm has 2 employees, $316.7K annual revenue, and experienced a -33.3% YoY growth. They serve clients across the U.S., including California, Arizona, Texas, Illinois, and more, with a modest web presence of 304 monthly visits and a global rank of #12,021,898.

Bay Mountain Security Offers Penetration Testing
Security And Compliance Frameworks Advisory And Implementation
Certification Audits
+3 more
Hacker House

Hacker House

Web Application
Los Angeles, United States 11 employees

Cybersecurity company specializing in penetration testing, adversarial simulations, and security training; based in Los Angeles, California, with 3 employees, founded in 2015. Offers technical resources and services to improve cybersecurity defenses; 8,094 monthly visits, global rank #2,369,555.

The Company Offers Penetration Testing
Adversary Simulations
Infrastructure Security
+5 more
Alcott Enterprises

Alcott Enterprises

Network, Cloud, and Applicatio...
Torrance, United States 4 employees

Alcott Enterprises is a private IT services and consulting company based in Torrance, California, with 5 employees and -42.9% YoY growth; they offer cybersecurity, AI, big data, and managed IT solutions, and explicitly provide penetration testing services, as evidenced by dedicated testing pages on their website.

Alcott Enterprises Offers Managed IT Services
IT Security Including Penetration And Vulnerability Testing
Professional IT Consulting
+4 more
Fluid Attacks

Fluid Attacks

Application Security
San Francisco, United States 144 employees

Application security testing company specializing in penetration testing, automation, and AI-driven vulnerability detection; 107 employees; Founded 2001; San Francisco, CA; Market position #540,930 globally, #154,699 in country; Focuses on DevSecOps, ethical hacking, and security testing services.

Fluid Attacks Provides Comprehensive Application Security Services Including Penetration Testing
Static And Dynamic Application Security Testing
Software Composition Analysis
+5 more
Executive Enterprises Inc.

Executive Enterprises Inc.

Vulnerability Assessment and P...
San Luis Obispo, United States 8 employees

Cybersecurity and IT services company specializing in vulnerability assessment, penetration testing, and security awareness training; based in California, USA, with 3 employees and 100% YoY growth, founded in 1989. They focus on customized content, local presence, and ongoing monitoring to help organizations mitigate evolving threats.

The Company Offers Ethical Hacking
Data Recovery
Vulnerability Assessment
+2 more
Consilium Labs

Consilium Labs

Network
Sunnyvale, United States 19 employees

Cybersecurity assurance company specializing in penetration testing, ISO 27001 family, SOC2, and ISO 42001; 15 employees with 72.7% YoY growth; based in Sunnyvale, California, USA; founded in 2020; accredited by ANAB and IAS, with SOC2 auditors under AICPA supervision.

Consilium Labs Offers Cybersecurity Audit And Certification Services Including ISO/IEC 27001/27701
CSA STAR Certification
ISO/IEC 42001
+4 more
SocialProof Security

SocialProof Security

Social Engineering
San Francisco, United States 2 employees

Private computer and network security firm founded in 2017; based in San Francisco, California, USA; 2 employees. Offers security awareness training, social engineering prevention, and penetration testing services, including videos, talks, workshops, and pentest activities.

The Company Offers Security Awareness Videos
Training
Talks
+5 more
Inovo InfoSec

Inovo InfoSec

Scenario-Based Penetration Tes...
West Hollywood, United States 31 employees

Cybersecurity company specializing in computer and network security, including penetration testing, security assessments, and training; based in West Hollywood, California, with 4 employees; offers services to government, businesses, and residents in Ohio and nationwide.

The Company Offers Cybersecurity Services Including Penetration Testing
Vulnerability Assessments
Security Maturity Assessments
+5 more
Purple Shield Security

Purple Shield Security

Adversary Emulation
California 1 employees

Cybersecurity company headquartered in Los Angeles, California; provides penetration testing, cyber defense, consulting, ransomware response, and managed cybersecurity services; explicitly offers red team penetration testing and simulated attack environments.

The Company Offers Penetration Testing
Adversary Emulation
Attack Simulations
+5 more
Picus Security

Picus Security

Automated Penetration Testing
San Francisco, United States 299 employees

Cybersecurity company specializing in breach and attack simulation (BAS) and security validation; 229 employees with 27.2% YoY growth, $85M annual revenue, founded in 2013, headquartered in San Francisco, CA; supports penetration testing and red teaming activities, with $78M in funding.

Picus Security Offers Breach And Attack Simulation
Adversarial Exposure Validation
Automated Penetration Testing
+5 more
FylaxCyber Inc.

FylaxCyber Inc.

Network
San Diego, United States 5 employees

FylaxCyber Inc. is a private cybersecurity consulting firm based in San Diego, California, specializing in penetration testing, risk management, and security audits; founded in 2020, it has 2 employees, $1M-$5M revenue, and employs a risk-based approach to improve clients' security posture.

The Company Offers Cybersecurity Consulting
Penetration Testing
IT Consulting Services To Improve Security Posture And Protect Critical Data And Infrastructure.
BugRaptors

BugRaptors

Web Application
California 209 employees

Software testing company specializing in AI-driven QA, automation, and cybersecurity services; headquartered in Emeryville, California, USA; offers penetration testing services supported by dedicated service pages and cybersecurity expertise.

Bugraptors Offers Comprehensive Software Testing And Quality Assurance Services Including Ai-augmented Manual Testing
Ai-driven Test Automation
Performance And Security Testing With Penetration Testing
+5 more
HackForce.AI

HackForce.AI

Automated Penetration Testing
Los Angeles, United States 4 employees

Cybersecurity company specializing in IT system testing, evaluation, and penetration testing; 3 employees with 33.3% YoY growth; founded in 2024; headquartered in Los Angeles, California, USA; offers automated security assessments, vulnerability testing, and AI-driven cybersecurity solutions.

The Company Offers Ai-driven Cybersecurity Services Including Autonomous Ethical Hacking
Penetration Testing
Vulnerability Assessments
+3 more
durakiconsulting, LLC

durakiconsulting, LLC

Web Application
San Francisco, United States 7 employees

durakiconsulting, LLC is a private IT & Services firm specializing in penetration testing and vulnerability research; based in San Francisco, CA, with 4 employees and 75% YoY growth since 2020. The company offers comprehensive, licensed, and certified security assessments, serving clients in finance, investment, and Egyptian stock market sectors.

The Company Offers Penetration Testing
Security Assessments
Reverse Engineering
+3 more
Cyber74

Cyber74

Web Application
Redding, United States 18 employees

Cyber74 is a cybersecurity and IT consulting company based in Redding, California, with 13 employees; founded in 2022; specializes in advanced cybersecurity solutions including penetration testing; serves SMBs, healthcare, manufacturing, and government clients across North America; BIPOC-owned.

The Company Offers Managed Security Services
Cybersecurity Assessments
Penetration Testing
+2 more
Cyber Army™

Cyber Army™

External Attack Surface and We...
Sunnyvale, United States 5 employees

Cyber Army™ is a private cybersecurity firm specializing in computer and network security for small businesses; offers agentless monitoring and explicit penetration testing services including manual assessments for web, API, mobile, cloud, and Kubernetes environments. Headquartered in Sunnyvale, CA, with 3 employees and 25% monthly growth.

The Company Offers Ai-driven External Attack Surface Monitoring
Manual Penetration Testing
Vulnerability Prioritization
+2 more
INCT

INCT

Network
Fremont, United States 3 employees

Software development company specializing in cybersecurity and penetration testing; based in Fremont, California, with 3 employees and +50% YoY growth, founded in 2005. Provides vulnerability assessments, security engineering, and risk management services to help clients stay ahead of modern threats.

The Company Offers Penetration Testing
Vulnerability Assessments
Security Consulting Services.
Ridge Security Technology Inc.

Ridge Security Technology Inc.

Automated Offensive Security
Milpitas, United States 47 employees

Cybersecurity company specializing in AI-powered offensive security and vulnerability management; 37 employees with 30.6% YoY growth; founded 2020; headquartered in Milpitas, California; $1M in funding; offers automated penetration testing, adversary emulation, API security testing, and risk validation.

The Company Offers Ai-powered Automated Penetration Testing
Adversary Emulation
Continuous Security Validation
+2 more
Network Pentest

Network Pentest

Network
California

Cybersecurity firm based in San Francisco, California, providing specialized network penetration testing services; operates from the San Francisco Bay Area, serving local and national clients. The company emphasizes expert pentest solutions, supported by marketing materials like a dedicated datasheet for penetration testing services.

The Company Offers Penetration Testing
Vulnerability Assessments
Security Awareness Training
+1 more
Cyber Advisory Group

Cyber Advisory Group

Network
California

Cyber Advisory Group is a cybersecurity firm based in Berkeley, California, specializing in cyber risk management and security engineering; they provide penetration testing services such as network and wireless assessments, social engineering exercises, and security evaluations, emphasizing active offensive security capabilities.

The Company Offers Cybersecurity Strategy
Cyber Risk Management
Security Engineering
+5 more
CyberTest

CyberTest

Network and Web Application
Burbank, United States 1 employees

CyberTest is a private cybersecurity firm specializing in security testing, research, and development; with 1 employee, founded in 2015, headquartered in Burbank, California, USA. It offers penetration testing, security consulting, and vulnerability assessments, serving clients with a focus on ethical hacking and application security testing. The company has a modest web presence with 5,623 monthly visits and ranks #3,303,894 globally.

The Company Offers Penetration Testing
Vulnerability Assessments
Security Consulting Services To Help Organizations Identify And Address Security Vulnerabilities And Protect Against Cyber Attacks.
RedWipe

RedWipe

San Francisco, United States 2 employees

Cybersecurity consulting firm specializing in penetration testing, incident response, and AI-enhanced security; founded 2025; based in San Francisco, California; 2 employees; focuses on rapid threat response and compliance.

The Company Offers Penetration Testing And Cybersecurity Consulting Services.
NOVESH LLC

NOVESH LLC

Web Application
Westlake Village, United States 4 employees

Cybersecurity and digital engineering firm based in California; 4 employees; founded 2021; offers advanced security solutions, custom software, and penetration testing services including web, network, and cloud assessments; ranked #9,043,097 globally.

NOVESH LLC Offers Cybersecurity Services Including Penetration Testing
Vulnerability Scanning
Security Assessments
+2 more
PentestIQ

PentestIQ

Application Security
San Francisco, United States 6 employees

Cybersecurity company specializing in penetration testing and security assessments; based in San Francisco, California, with 5 employees and 212 monthly website visits; emphasizes active pentest services and security program solutions.

Pentestiq Offers Penetration Testing
Security Audits
Real-time Vulnerability Discovery
+3 more
Maqware Corporation

Maqware Corporation

Cloud
San Ramon, United States 30 employees

IT Services and IT Consulting company specializing in cybersecurity, penetration testing, and compliance; based in San Ramon, California, with 11-50 employees, founded in 2008, providing top-tier security solutions and extensive compliance expertise.

The Company Offers Penetration Testing
Compromise Assessment
Zero Trust Architecture Assessment
+5 more
Synack

Synack

Web Application
California 250 employees

Cybersecurity company based in Redwood City, California; provides AI-enhanced penetration testing services using on-demand researchers and automated agents to deliver continuous security testing at scale.

The Company Offers Ai-enhanced Penetration Testing Services Including Web Application
Host
Cloud
+4 more
Intelligints, LLC

Intelligints, LLC

Network and Web Application
Irvine, United States 3 employees

Cybersecurity company specializing in penetration testing and network security solutions; offers comprehensive internal, external, web/app/data leakage, and network tests, with a focus on prevention; based in Irvine, California, United States, with 2 employees and a niche web presence.

The Company Offers Cybersecurity Services Including Penetration Testing
Security Assessments
Employee Awareness Programs
+3 more
ILLUMANT

ILLUMANT

Perimeter Security
Palo Alto, United States 10 employees

Cybersecurity company specializing in security assessments such as penetration testing, social engineering, vulnerability assessments, and compliance; 8 employees, $10M annual revenue; founded 2007; headquartered in Palo Alto, California, USA; serves Fortune 500, government, and educational clients.

Illumant Offers Penetration Testing
Social Engineering
Vulnerability Assessments
+5 more
Prancer

Prancer

Cloud Penetration Testing
San Diego, United States 13 employees

Prancer is a private cybersecurity company specializing in AI-native autonomous continuous security validation and penetration testing platforms; based in San Diego, California, with 4 employees, founded in 2020, and approximately $1.5M in funding. The company offers quick, affordable cloud security and pentesting solutions designed for DevSecOps teams, supporting automated security assessments and collaboration.

The Company Offers Ai-native Autonomous Penetration Testing
Continuous Security Validation
Pentest As Code
+5 more
Vital Security

Vital Security

Bear Valley Springs, United States 6 employees

IT services and consulting company specializing in cybersecurity, ethical hacking, and penetration testing; founded in 2023, with 6 employees and 100% YoY growth; based in Bear Valley Springs, California, serving Southern California & Arizona with bespoke security solutions.

The Company Offers White-hat Hacking Services
Including Penetration Testing And Bespoke Cybersecurity Technology Solutions For Business Owners.
Salt Security

Salt Security

API Security
California 201 employees

Cybersecurity company specializing in API security; headquartered in Palo Alto, CA; offers an AI-infused API security platform covering discovery, posture management, and threat protection; provides penetration testing, security audits, and red-team services.

Salt Security Offers Ai-infused API Security Solutions Including API Discovery
Posture Management
Threat Protection
+3 more
Clare Computer Solutions

Clare Computer Solutions

Network
California 25 employees

Managed IT services provider specializing in cybersecurity and penetration testing; based in San Ramon, California, serving SMBs in the San Francisco Bay Area for over 30 years.

The Company Offers Managed IT Services
Cybersecurity Services Including Penetration Testing And Vulnerability Assessments
Backup And Disaster Recovery Solutions
+2 more
SDLC Corp

SDLC Corp

Web Application and Network
California 141 employees

California-based digital transformation company specializing in AI, cloud, blockchain, RPA, and eCommerce solutions; offers penetration testing services including vulnerability assessments and security testing.

SDLC Corp Offers Services Including AI Development
ERP Solutions
Gaming Development
+3 more
AttackIQ

AttackIQ

Cloud and Infrastructure
California 185 employees

AttackIQ is a cybersecurity firm based in Los Altos, California, specializing in proactive security validation through breach and attack simulation (BAS) and red team augmentation. The platform enables active attack simulations to identify vulnerabilities and test defenses, aligning with penetration testing services.

The Company Offers Penetration Testing
Breach And Attack Simulation
Red Team Augmentation
+2 more
Securus Consulting Group

Securus Consulting Group

Network
Encinitas, United States 3 employees

Cybersecurity firm based in Encinitas, California; 3 employees with 50% YoY growth; offers penetration testing, security assessments, vulnerability scanning, and compliance services; founded 2013; annual revenue $366K.

The Company Offers Managed Security And Compliance Services
Cybersecurity Risk And Compliance Assessments
Audits
+4 more
Synopsys Inc

Synopsys Inc

Web Application
Sunnyvale, United States 28539 employees

Synopsys Inc is a leading provider of electronic design automation solutions and security testing services; with 16,433 employees, $6.4B revenue, and an $81.3B market cap, headquartered in Sunnyvale, California. The company offers advanced silicon design, verification, IP integration, and penetration testing services, and recently acquired Ansys. It operates in electronics/technology, EDA, software security, and silicon chip design, competing with firms like ARM and AMD.

Synopsys Inc Offers Engineering Solutions Including Electronic Design Automation (eda) Tools
Semiconductor IP
Systems Verification
+4 more
OFFENSAI

OFFENSAI

Cloud
Los Angeles, United States 11 employees

OFFENSAI is a private cybersecurity firm based in Los Angeles, California, founded in 2024 with 8 employees. It specializes in AI-powered attack simulation and autonomous red-teaming solutions for cloud security, offering breach and attack simulation (BAS), cyberattack simulation, and security threat assessment services. The company's core capabilities include automated red teaming and cloud security testing, providing penetration testing-like services to identify vulnerabilities through simulated cyberattacks.

The Company Offers Ai-powered Autonomous Red-teaming
Continuous Cloud Security Testing
Automated Attack Path Discovery
+1 more
IT Connect 360

IT Connect 360

Network Penetration Testing
San Diego, United States 2 employees

IT Connect 360 is an IT services and consulting firm headquartered in San Diego, California, with 2 employees; it specializes in managed IT services such as remote support, data backup, network configuration, malware removal, and continuous penetration testing, providing reliable, hassle-free connectivity and security solutions.

The Company Offers Managed IT Services
Cybersecurity Services
IT Service Desk Services
+3 more
GDR Group, Inc.

GDR Group, Inc.

Network
Irvine, United States 90 employees

IT services and consulting company based in Irvine, California; 37 employees with 5.9% YoY growth; $56.3M annual revenue; offers managed IT, cybersecurity, cloud, staff augmentation, and penetration testing services; founded in 1997; ranked #9,161,052 globally and #2,568,362 in the US; provides proactive security solutions including penetration assessments and network audits.

The Company Offers Managed IT Services
Co-managed IT Services
Staff Augmentation
+5 more
Sugarcube, Inc

Sugarcube, Inc

Web Application
San Francisco, United States 3 employees

Private software development firm based in San Francisco, California, specializing in ethical hacking and cybersecurity services; provides penetration testing, social media hacking, cheating spouse investigations, and consulting; 3 employees with 200% YoY growth; founded in 2008; website: https://www.cyberlords.io.

The Company Offers Ethical Hacking
Penetration Testing
Vulnerability Assessments
+5 more
PDC Technology, Inc.

PDC Technology, Inc.

Network Penetration Testing
Gold River, United States 2 employees

IT services and consulting company based in Gold River, California; specializes in managed IT, cybersecurity, and penetration testing services; 1 employee with 100% YoY growth; supports businesses in Sacramento, El Dorado, and Placer counties.

The Company Offers Managed IT Services
Cybersecurity Services Including Penetration Testing
IT Compliance Services Tailored To Meet Regulatory Requirements And Business Needs.
NetPlus Group - Formerly AMTEL

NetPlus Group - Formerly AMTEL

Network and Systems
San Jose, United States 84 employees

Telecommunications company based in San Jose, California, with 18 employees and 3.7% YoY growth; specializes in telecom expense and asset management, with explicit penetration testing and cybersecurity assessment services.

The Company Offers Telecommunications Expense Management
IT Asset Management
Continuous Penetration Testing
+5 more
CyCognito

CyCognito

Web Application
California 96 employees

CyCognito is a cybersecurity firm based in Palo Alto, California, specializing in external exposure management and penetration testing services. It provides active security testing, web app pen tests, and automated pentesting platforms, enabling organizations to identify vulnerabilities and manage external security risks effectively.

Cycognito Offers External Exposure Management
Continuous Threat Exposure Management
Autonomous Penetration Testing
+4 more
ObjectSecurity

ObjectSecurity

Embedded Systems and Binary So...
California 10 employees

Cybersecurity firm based in San Diego, California; provides penetration testing, vulnerability assessment, and ethical hacking services, including automated pen-testing solutions like WhizRT VAPTBOX.

The Company Offers Penetration Testing
Vulnerability Assessments
Ethical Hacking Services
+4 more
Alacrinet

Alacrinet

Comprehensive Penetration Test...
California 29 employees

Cybersecurity consulting firm based in Palo Alto, California; specializes in penetration testing, security assessments, and compliance support; combines customer-focused consulting with deep technical expertise to secure networks, data, and environments.

Alacrinet Offers Penetration Testing
Security Assessments
Compliance Support
+5 more
CyberCatch

CyberCatch

Comprehensive Enterprise
California 19 employees

CyberCatch is a cybersecurity firm headquartered in San Diego, California, specializing in continuous cybersecurity and risk mitigation solutions; it explicitly offers penetration testing services, as evidenced by its website and promotional materials.

The Company Offers Ai-enabled Continuous Cybersecurity And Risk Mitigation Solutions
Penetration Testing
Compliance Management
+3 more
Tevora

Tevora

Network Penetration Testing
Irvine, United States 191 employees

Business consulting firm specializing in cybersecurity, risk, and compliance; provides penetration testing, network, and internal security assessments; 136 employees, $37.9M revenue, founded 2003, Irvine, CA, USA.

Tevora Offers Cybersecurity Consulting
Compliance And Risk Management
Penetration Testing
+5 more
Anvaya Solutions

Anvaya Solutions

Comprehensive Penetration Test...
California 8 employees

Cybersecurity consulting firm specializing in penetration testing, security program development, and continuous improvement; based in Folsom, California, with verified headquarters in the US.

The Company Offers Penetration Testing
Security Program Development
Security Compliance Consulting
+4 more
Apisec

Apisec

API Security
California 47 employees

Cybersecurity company headquartered in San Francisco, CA; provides AI-powered penetration testing and red-team attack simulation services, including automated and continuous API security testing with active attack capabilities.

The Company Offers Ai-powered Penetration Testing
Red-team Attack Simulation
Automated Continuous API Security Testing Services.
Propelex

Propelex

Red Team
California 12 employees

Cybersecurity company specializing in threat prevention, detection, and penetration testing; headquartered in Encinitas, California, with explicit offensive security and pentest service offerings.

The Company Offers Cybersecurity And Privacy Risk Assessments
Offensive Security And Penetration Testing
Cloud Platform Security
+5 more
Professional Computer Concepts

Professional Computer Concepts

Network
novato, United States 9 employees

Cybersecurity and IT services company based in Novato, California; provides penetration testing, cybersecurity, cloud solutions, and IT consulting; 6 employees, $18.1M revenue, founded 2002, with 12.5% growth rate and high employer rating.

The Company Offers Managed IT Services
Cybersecurity Services Including Penetration Testing
Virtual CIO
+1 more
Neosec

Neosec

API Security
California 40 employees

Cybersecurity company providing penetration testing and vulnerability assessment services; headquartered in Palo Alto, California, United States; known for comprehensive security testing solutions.

Neosec Offers Penetration Testing
Vulnerability Assessments
API Security Solutions
+4 more
SF

San Francisco Computer Forensics

Network and Social Engineering
California

Cybersecurity and digital forensics company based in San Francisco, California; offers penetration testing, data recovery, and computer security services; serves all of Northern California.

The Company Offers Computer Forensics
Mobile Phone Forensics
Email Forensics
+5 more
People 1st, IT Inc.

People 1st, IT Inc.

Network
California 30 employees

California-based IT services provider headquartered in San Francisco; offers cybersecurity including penetration testing, vulnerability assessments, and managed IT services for small businesses in the Bay Area. Known for reliable, experienced tech solutions.

The Company Offers Managed IT Services
Network Administration
Cybersecurity Including Penetration Testing And Vulnerability Assessments
+5 more
Fastly

Fastly

Cloud and Network
San Francisco, United States 1349 employees

Fastly is a private edge cloud platform provider specializing in CDN, video streaming, load balancing, and security solutions; with 868 employees, $592M annual revenue, founded in 2011, headquartered in San Francisco, CA, and actively engaged in penetration testing of its systems and customer services.

Fastly Offers A Programmable Edge Cloud Platform Providing Content Delivery Network (cdn) Services
Security Solutions Including Ddos Protection And Web Application And API Protection
Compute And Observability Services
+2 more
Psicurity

Psicurity

Web Application
California 3 employees

Cybersecurity firm based in San Francisco, California; specializes in penetration testing for web applications and networks since 2003; offers assessments and industry compliance solutions.

The Company Offers Penetration Testing For Web Applications And Networks
Vulnerability Assessments
Industry Compliance Solutions.
Gecko Security

Gecko Security

Business Logic
California 4 employees

Cybersecurity firm based in San Francisco, CA; specializes in detecting business logic flaws and multi-step vulnerabilities that traditional SAST tools overlook; offers penetration testing and attack simulation services to identify security weaknesses.

The Company Offers Penetration Testing
Ai-driven Vulnerability Scanning
Attack Simulation
+2 more
RunSybil

RunSybil

AI-Driven Penetration Testing
California 8 employees

RunSybil is a cybersecurity firm headquartered in San Francisco, CA, offering AI-driven penetration testing services with their flagship product, Sybil, which automates vulnerability discovery to enhance security defenses.

The Company Offers Ai-driven Penetration Testing Services That Automate Vulnerability Discovery And Enhance Security Assessment Efficiency.
Tac Security

Tac Security

Web Application
California 139 employees

Cybersecurity firm specializing in risk-based vulnerability management and cyber risk quantification; offers advanced vulnerability detection, penetration testing, and attack surface management. Headquartered in San Francisco, CA; provides CREST-registered penetration testing and continuous attack surface testing.

The Company Offers Risk-based Vulnerability Management
Cyber Risk Quantification
Advanced Vulnerability Detection
+3 more
PC Professional

PC Professional

Network
California 50 employees

California-based IT services provider specializing in cybersecurity and penetration testing; headquartered in Oakland, CA; serving the San Francisco Bay Area since 1981; offers IT consulting, support, and security assessments with a 15-minute response time.

PC Professional Offers Managed IT Services
Cybersecurity Including Penetration Testing
Cloud Services
+3 more
Whitedog Cyber

Whitedog Cyber

Breach Simulation
California 19 employees

Cybersecurity company based in Santa Clara, California; specializes in penetration testing, breach simulation, and security control validation to identify and prioritize security gaps.

The Company Offers Penetration Testing
Breach Simulation
Security Control Validation
+4 more
Information Security Agency (ISA)

Information Security Agency (ISA)

Network
Palmdale, United States 2 employees

Private computer and network security company founded in 2010; based in Palmdale, California, with 2 employees. Specializes in penetration testing, ethical hacking, vulnerability assessment, and cyber crime investigation, serving the US market. Homepage confirms service scope and company identity.

The Company Offers Penetration Testing
Ethical Hacking
Vulnerability Assessments
+1 more
Taranet

Taranet

Network
California 9 employees

Cybersecurity firm headquartered in San Diego, California; specializes in risk management and penetration testing services; emphasizes ethical practices and advanced technology safeguards.

The Company Offers Cybersecurity Risk Management Services Including Penetration Testing
Vulnerability Scanning
Information Security Compliance
+5 more
TeamLogic IT

TeamLogic IT

Network
Mission Viejo, United States 791 employees

IT services and consulting company founded in 2004; 452 employees, $7.2M revenue; based in Mission Viejo, California, USA; offers managed IT, cybersecurity, and penetration testing services; operates nationwide with a focus on personalized client support.

Teamlogic IT Offers Co-managed IT Services
Cybersecurity And Compliance Services Including Penetration Testing
Business Continuity
+4 more
Beitsystems

Beitsystems

Web Application
California 3 employees

Cybersecurity firm based in San Francisco, California, specializing in penetration testing services such as web, mobile, and network testing; focuses on enhancing business security against emerging threats.

The Company Offers Penetration Testing For Web
Mobile
Network Applications
+5 more
Acalvio Technologies

Acalvio Technologies

Red Teaming
California 98 employees

Cybersecurity company specializing in cyber deception technology; headquartered in Santa Clara, CA, with a focus on advanced threat defense and red teaming services, leveraging deception for early threat detection and attack simulation.

Acalvio Technologies Offers Cybersecurity Services Including Advanced Threat Defense
Identity Protection
Cloud Security
+5 more
Vectra AI

Vectra AI

Network and Cloud
California 580 employees

Cybersecurity AI company based in San Jose, California; provides attack simulation, cyber-range, exposure assessment, and security testing tools like Halberd; specializes in proactive threat detection and penetration testing equivalents.

Vectra AI Offers Cybersecurity Services Including Attack Simulation
Cyber-range And Exposure Assessment
Security Testing Tools
+4 more
Tekleap

Tekleap

Network
California 3 employees

Cybersecurity firm headquartered in San Francisco, CA; provides continuous monthly network penetration testing to identify vulnerabilities and prevent data exfiltration, focusing on active defense against hacker tactics.

The Company Offers Continuous Monthly Network Penetration Testing
Vulnerability Assessments
Managed Security Operations Center (soc) Services
+4 more
Securus360

Securus360

Network and Cloud
California 7 employees

Cybersecurity company based in Irvine, California, providing penetration testing and breach simulation services; confirms active pentest offerings with documented service pages and blog posts.

Securus360 Offers Cybersecurity Services Including Penetration Testing
Breach Simulation
Managed Extended Detection And Response (mxdr)
+5 more
CloudDefense.AI

CloudDefense.AI

Cloud and Application Security
California 21 employees

Cybersecurity company specializing in cloud and application security; headquartered in Palo Alto, CA; offers penetration testing and red teaming services, emphasizing offensive security capabilities.

Clouddefense.ai Offers Ai-powered Cloud And Application Security Services
Including Penetration Testing
Red Teaming
+5 more
Operant AI

Operant AI

AI, API, and Kubernetes Securi...
California 12 employees

Cybersecurity firm specializing in penetration testing and red teaming for AI, APIs, and Kubernetes; headquartered in San Francisco, CA; known for active exploitation simulations and vulnerability discovery.

Operant AI Provides Cybersecurity Services Including Penetration Testing
Red Teaming
API Security
+5 more
BATech

BATech

Healthcare IT Systems
Los Angeles, United States 6 employees

BATech is a private cybersecurity company specializing in computer and network security, with a focus on healthcare and medical industries; founded in 2018, headquartered in Los Angeles, California, with 2 employees (+50% YoY growth). The company offers vulnerability assessments, regulatory compliance, incident response, and penetration testing, emphasizing its expertise in cybersecurity testing and medical device security, serving the United States for over 5 years.

Batech Offers Cybersecurity Services Including Penetration Testing
Vulnerability Assessments
Security Consulting
+1 more
TechHeights - Business IT Services Orange County

TechHeights - Business IT Services Orange County

Network Security
Irvine, United States 28 employees

IT Services and IT Consulting company based in Irvine, California; 18 employees, $3.2M revenue, founded 2007; specializes in proactive IT solutions including penetration testing, with a focus on cybersecurity, cloud services, and compliance standards; recognized provider in Orange County, Los Angeles, and Riverside.

The Company Offers Managed IT Services
Cloud-based Services
Cybersecurity And Compliance Services Including Penetration Testing
+5 more
Cybersecurity Consulting Company - Atlant Security

Cybersecurity Consulting Company - Atlant Security

Web Application
San Diego, United States 3 employees

Atlant Security is a private cybersecurity consulting firm based in San Diego, California, founded in 2018 with 2 employees. It specializes in security architecture, vulnerability assessments, and penetration testing, with a focus on defending law firms from cyber threats. The company offers personalized and managed security services, with a declining workforce (-25% YoY), and a modest web presence (3,330 monthly visits, global rank #4,876,062). It operates in the cybersecurity consulting market, positioned at #4,876,062 globally and #1,578,090 in the US.

The Company Offers Penetration Testing
IT Security Audits
Virtual CISO Services
+4 more
VioletX

VioletX

Enterprise Penetration Testing
Los Angeles, United States 8 employees

VioletX is a private software development firm specializing in cybersecurity solutions, including virtual CIO services, SOC2 attestations, and incident response. Based in Los Angeles, California, with 7 employees and $18.5M annual revenue, they provide penetration testing services with a focus on real, manual testing methods, and actively engage in cybersecurity assessments, compliance, and risk management.

The Company Offers Enterprise-grade Compliance
Security
AI Evaluation Programs
+5 more
HannulaWells

HannulaWells

Web Application
San Diego, United States 4 employees

IT services and consulting company specializing in cybersecurity; provides penetration testing services; based in San Diego, California with 4 employees, founded in 2018.

The Company Offers Penetration Testing
Web Application Testing
Social Engineering
+1 more
Cracken

Cracken

Red Team
Palo Alto, United States 20 employees

Cracken is a private cybersecurity firm based in Palo Alto, California, founded in 2023, with 13 employees and 150% YoY growth. It specializes in adversarial exposure validation, red team operations, and penetration testing, leveraging AI and advanced hacking techniques to improve enterprise security resilience. Known for its uncensored Vibe Hacking platform, Cracken operates in categories such as AI security, attack surface management, and threat hunting, and is recognized for its innovative approach to security testing.

The Company Offers Ai-enabled Penetration Testing
Red Team Operations
Adversarial Exposure Validation
+1 more
Anbosoft

Anbosoft

Cybersecurity
Irvine, United States 5 employees

Anbosoft LLC is a private IT system testing and evaluation company based in Irvine, California, USA, founded in 2020; with 4 employees and 66.7% YoY growth. They provide comprehensive IT solutions including project management, software development, and testing, with explicit penetration testing services as part of their cybersecurity offerings. The company specializes in AI-enhanced QA for web, mobile, and cloud applications, emphasizing security, performance, and automation.

Anbosoft Offers Comprehensive Quality Assurance Services Including Ai-driven Software Testing
Test Automation
Blended Manual And Automated Testing
+5 more
TechPro Enterprise

TechPro Enterprise

Network and Web Application
irvine, United States 3 employees

IT & Services company specializing in cybersecurity, penetration testing, network migration, virtualization, and industry solutions; based in Irvine, CA with 3 employees, founded in 2005. TechPro provides tailored IT solutions including active penetration testing and digital content security, serving entertainment and manufacturing sectors.

Techpro Enterprise Offers Tailored IT Solutions Including Penetration Testing
Cyber Security
Data And Platform Migrations
+3 more
MobileHop - USA Proxy/VPN - 50+ Locations in the USA

MobileHop - USA Proxy/VPN - 50+ Locations in the USA

Mobile Network Security
Los Angeles, United States 10 employees

Private technology company specializing in 4G/5G mobile proxy networks across 50+ US cities; offers cybersecurity services including penetration testing, vulnerability research, and red team access; founded 2022; based in Los Angeles, CA; 5 employees with 42.9% YoY growth.

Mobilehop Provides High-performance 4G/5G Mobile Proxy And VPN Services With Enterprise-grade Modems
Enabling Secure Internet Access
Web Activity Obfuscation For Research And Testing
+4 more
FortifiedLogic

FortifiedLogic

Network and Internet of Things...
San Diego, United States 3 employees

FortifiedLogic is a private cybersecurity firm providing managed security services for SMBs; founded in 2015 and based in San Diego, CA, with 3 employees. They specialize in penetration testing, threat detection, vulnerability management, and 24/7 security operations, serving small businesses including those with no IT experience.

Fortifiedlogic Offers Managed Security Services
Penetration Testing
Vulnerability Management
+4 more
Anitian

Anitian

Web Application
Palo Alto, United States 51 employees

Private computer and network security company specializing in compliance automation and advisory services for FedRAMP; 35 employees, $60M revenue, founded 2017 in Palo Alto, CA; $79M funding; offers penetration testing services including red-team assessments; known for FedFlex AI-powered compliance platform.

The Company Offers Penetration Testing
Fedramp Compliance Automation
Cybersecurity Auditing
+1 more
DotWave Solutions

DotWave Solutions

Web Application
Los Angeles, United States 4 employees

Cybersecurity consulting firm specializing in penetration testing, vulnerability assessments, and exploit testing; based in Los Angeles, California, with 2 employees and -33.3% YoY growth since 2022.

The Company Offers Cybersecurity And IT Recruiting
M&a Cyber Due Diligence
Penetration Testing
+5 more
Excedeo

Excedeo

Network and Cloud
California 9 employees

IT support and cybersecurity company headquartered in San Diego, CA; specializes in penetration testing, vulnerability assessments, and security testing to proactively identify and address cybersecurity weaknesses.

Excedeo Provides Managed IT Services
IT Support
Cybersecurity Services Including Penetration Testing And Vulnerability Assessments
+5 more
Data Theorem, Inc.

Data Theorem, Inc.

Application and Cloud Security
Palo Alto, United States 91 employees

Cybersecurity company specializing in application and cloud security; provides penetration testing services and web security solutions; 32 employees, $3M revenue, founded 2013, headquartered in Palo Alto, California.

The Company Offers Application Security Services Including SAST
DAST
RASP
+5 more
Doyensec

Doyensec

Web Application
San Francisco, United States 23 employees

Cybersecurity firm specializing in vulnerability discovery, penetration testing, and security research; 17 employees, founded 2017, headquartered in San Francisco, California, USA; focuses on offensive security, offering services in application security, reverse engineering, and security automation.

Doyensec Offers Penetration Testing
Vulnerability Discovery And Remediation
Security Assessments For Web
+5 more
Fire Mountain Labs

Fire Mountain Labs

AI Systems Security
San Diego, United States 4 employees

Fire Mountain Labs is a private IT Services and IT Consulting firm headquartered in San Diego, California, with 2 employees. The company specializes in AI security, risk assessment, and penetration testing, providing human-driven security solutions including AI risk assessments, penetration testing, and training programs to help organizations secure their AI systems against real-world threats.

The Company Offers AI Risk Assessments
Penetration Testing
AI Governance
+5 more
Imri

Imri

Network
California 90 employees

Cybersecurity and digital transformation consulting firm specializing in penetration testing; based in Aliso Viejo, California, with 30+ years of industry experience.

The Company Offers Cybersecurity Services Including Penetration Testing And Risk Management
Digital Transformation Services Such As Cloud Computing And IT Service Management
Strategic Business Consulting
+1 more
TECHNIC BUSINESS SOLUTIONS

TECHNIC BUSINESS SOLUTIONS

Network
Irvine, United States 20 employees

IT services and consulting company based in Irvine, California; provides IT support, copiers, security cameras, phone systems, digital marketing, and penetration testing services; 9 employees with 5.3% YoY growth; founded 1976; website: https://www.technic.net; competes with wavestek and content security.

The Company Offers Managed IT Services
Print And Office Management Technology
Office Telecom Solutions
+1 more
DFND Security, Inc.

DFND Security, Inc.

Cloud
Irvine, United States 16 employees

Cybersecurity and security technology solutions provider based in Irvine, California; specializes in penetration testing, security automation, and security operations with 11 employees; founded in 2012; actively conducts penetration testing to identify security vulnerabilities before exploitation.

DFND Security
Inc. Offers Cybersecurity Services Including Penetration Testing
Security Intelligence
+5 more
Quality Tech Lab

Quality Tech Lab

Web Application
Los Angeles, United States 33 employees

IT services and consulting company specializing in software development, testing, and penetration testing; based in Los Angeles, California, with 25 employees and a 2.9% YoY decline in growth; offers organization management software and a broad range of testing services, with a global rank of #11,810,909 and active social media presence.

The Company Offers Software Development
Functional Testing
Data Engineering And Analytics
+5 more
AirGap Labs LLC

AirGap Labs LLC

Network
Irvine, United States 27 employees

Computer and network security company based in Irvine, California; 18 employees; founded 2013; provides penetration testing, network security, cloud, and infrastructure services; minority-owned small business with 3.8% monthly growth; website: https://www.airgaplabs.com.

The Company Offers Penetration And Vulnerability Testing
Next-generation Firewall
VPN
+4 more
Tlc Tech, Inc.

Tlc Tech, Inc.

Network
California 18 employees

IT services company specializing in outsourced IT support and cybersecurity; offers penetration testing (pentest) services as part of their security solutions; headquartered in Sacramento, CA, USA, serving local businesses.

The Company Offers Outsourced IT Support
Managed IT Services
Cybersecurity Solutions Including Penetration Testing
+5 more
TBDCyber

TBDCyber

Application Security
San Diego, United States 16 employees

TBDCyber is a private cybersecurity consulting firm based in San Diego, California, founded in 2023, with 7 employees and 60% YoY growth. The company specializes in cybersecurity strategy, assessments, program build projects, and explicitly offers penetration testing services, focusing on long-term, sustainable solutions.

Tbdcyber Offers Cybersecurity Consulting Services Including Strategy Development
Risk Assessments
Penetration Testing
+5 more
Symosis Security

Symosis Security

Cloud and SaaS
San Francsico, United States 5 employees

Symosis Security LLC. is a California-based private cybersecurity company founded in 2004, with 5 employees and $2.3M annual revenue; specializes in penetration testing, vulnerability assessments, security architecture, threat modeling, cloud security, and red teaming, serving clients with comprehensive security services and active in risk & compliance markets.

The Company Offers CISO Advisory And Governance
Penetration Testing And Red Teaming
AI And LLM Risk Assessments
+5 more
Braav

Braav

Physical Penetration Testing
Los Angeles, United States 6 employees

Braav is a private security and investigations company headquartered in Los Angeles, California, with 4 employees; specializes in technology-driven security solutions, customer service, and guard management technology. They explicitly offer physical penetration testing services, including red team breach simulations, badge cloning, and social engineering, demonstrating active security testing capabilities.

Braav Offers Physical Penetration Testing
Security Assessments
Guard Management
+3 more
Pc Solutions

Pc Solutions

Healthcare Compliance
California 16 employees

Cybersecurity firm based in Clovis, California; specializes in penetration testing services, including healthcare-specific pentests for regulatory compliance; headquartered in Clovis, CA, with verified location references.

The Company Offers Managed IT Solutions Including Penetration Testing
Network Architecture And Design
Data Security
+5 more
XeneX SOC

XeneX SOC

Application Security
Los Angeles, United States 10 employees

XeneX SOC is a cybersecurity and cloud security platform provider specializing in fully-managed Security Operations as a Service (SOCaaS); based in Los Angeles, California, with 6 employees, $10.1M annual revenue, founded in 2011, and $650K in total funding. The company offers penetration testing, vulnerability testing, SIEM, log management, and 24/7 monitoring, serving the cybersecurity market with a focus on advanced security solutions.

The Company Offers Comprehensive Cybersecurity Services Including SOC As A Service
Threat Detection And Response
Endpoint And Cloud Security
+5 more
Alpha Net

Alpha Net

Web Application
California 138 employees

Cybersecurity firm headquartered in Santa Clara, California; provides penetration testing services including routine assessments, vulnerability identification via automated and manual testing, and SOC 2 compliance efforts.

Alpha Net Provides Ai-first Software Services Including Product Engineering
Cloud Solutions
Enterprise Integration
+5 more
CyberMindr

CyberMindr

Continuous Threat Exposure Man...
California 26 employees

CyberMindr is a cybersecurity firm headquartered in Sacramento, California, offering penetration testing and red teaming services; specializes in continuous threat exposure management with automated security posture monitoring and unified attack view capabilities.

The Company Offers Continuous Threat Exposure Management
Penetration Testing
Red Teaming
+5 more
CyberProof

CyberProof

Comprehensive Penetration Test...
California 327 employees

CyberProof is a cybersecurity firm based in Aliso Viejo, California, specializing in threat-led defense platforms that deliver comprehensive visibility, tailored threat insights, and ongoing optimization to mitigate enterprise risk. The company explicitly provides penetration testing services to proactively identify vulnerabilities and manage cyber threats.

The Company Offers Penetration Testing
Vulnerability Management
Identity And Access Management
+5 more
Secure Vectors Information Technologies Inc.

Secure Vectors Information Technologies Inc.

Network
Irvine, United States 8 employees

Private think tank specializing in PCI DSS, PCI 3DS, PIN security, and ISMS consulting; 7 employees with 60% YoY growth; based in Irvine, California, USA; provides penetration testing services including black box tests, demonstrating active vulnerability assessment capabilities.

The Company Offers Penetration Testing
Vulnerability Scanning
Code Review
+5 more
Bc Networks, Inc.

Bc Networks, Inc.

Network Penetration Testing
California 23 employees

Cybersecurity-focused IT solutions provider headquartered in San Jose, California; offers managed IT services and specializes in penetration testing and vulnerability assessments for Bay Area businesses.

The Company Offers Cybersecurity-focused IT Solutions Including Managed IT Services
Penetration Testing
Vulnerability Assessments
+5 more
Cytellix

Cytellix

Network
California 18 employees

Cybersecurity solutions provider based in California, specializing in penetration testing and vulnerability assessments; headquartered in Aliso Viejo, CA, with active pentest capabilities confirmed by third-party profiles and marketing materials.

The Company Offers Penetration Testing
Vulnerability Assessments
Compliance And Risk Management
+5 more
Allianceit Inc

Allianceit Inc

Network
California 48 employees

California-based IT consulting and security company; provides penetration testing services with over 10 years of experience; headquartered in San Ramon, California; offers digital transformation and technology solutions.

The Company Offers IT Consulting
Software Services
Professional Services
+5 more
Crimson IT

Crimson IT

Network
Los Angeles, United States 59 employees

IT services and consulting firm based in Los Angeles, California; 25 employees with -28% YoY growth; founded in 2011. Specializes in cybersecurity, including penetration testing, threat detection, and rapid response, delivering comprehensive IT management and security solutions.

Crimson IT Offers Cybersecurity Services Including Penetration Testing
Vulnerability Assessments
Managed IT Services
+5 more
Cyber Security Resource

Cyber Security Resource

Network and Application
California 1 employees

Cyber Security Resource is a cybersecurity firm headquartered in San Diego, California; it provides penetration testing services, including external and internal security assessments to identify vulnerabilities, as confirmed by its PenTest service page.

The Company Offers Penetration Testing
Risk Assessments
Virtual CISO Advisory Services
+2 more
Alcor

Alcor

Network
Palo Alto, United States 227 employees

Alcor is a private technology, information, and internet company based in Palo Alto, California; 96 employees with 27.5% YoY growth, founded in 2007. It specializes in software development, R&D center creation, tech recruitment, and employer of record services, focusing on legal compliance and operational scaling for US tech firms. Alcor offers remote penetration testing services through its 2020 partnership with Pcysys, enabling automated security assessments; 29,175 monthly website visits, global rank #920,112, and active social media presence.

Alcor Provides Recruitment
Employer Of Record (eor) Services
Payroll And Operational Support
+2 more
One82, LLC.

One82, LLC.

Network
California 6 employees

California-based IT support and cybersecurity firm specializing in penetration testing and vulnerability assessments; headquartered in Los Gatos, CA, with active security testing services.

The Company Offers Outsourced IT Support
Cybersecurity Services
Compliance Services
+5 more
Aurora Systems Consulting, Inc.

Aurora Systems Consulting, Inc.

Network and Web Application
California 36 employees

Cybersecurity consulting firm specializing in penetration testing; headquartered in Torrance, CA; over 30 years of experience in IT security services.

The Company Offers Penetration Testing
Vulnerability And Compliance Assessments
Cybersecurity Consulting
+4 more
Greenlight Cyber

Greenlight Cyber

Network Penetration Testing
Irvine, United States 18 employees

Cybersecurity company specializing in comprehensive security solutions and active penetration testing; based in Irvine, California, with 11 employees, $5.7M revenue, and +28.6% YoY growth. Offers services including internal and external network penetration tests, supporting SMBs in digital security.

Greenlight Cyber Offers Comprehensive Cybersecurity Services Including Penetration Testing
Cyber Risk Assessments
Managed Detection And Response
+5 more
Tec-refresh, Inc.

Tec-refresh, Inc.

Network
California 9 employees

Managed IT and security services provider based in Newport Beach, California; offers penetration testing services following PTES, OWASP, PCI, and HIPAA guidelines; specializes in cybersecurity, backup, disaster recovery, and network visibility; focuses on security, automation, and client empowerment.

The Company Offers Managed IT And Security Services
Including Penetration Testing
Vulnerability Assessments
+5 more
Varutra Consulting

Varutra Consulting

Web Application
California 67 employees

Cybersecurity company specializing in penetration testing services; offers mobile, cloud, and external pentests; headquartered in Mission Viejo, California, United States.

Varutra Consulting Offers Penetration Testing
Vulnerability Assessments
Cloud Security
+5 more
Infoziant Security

Infoziant Security

Web Application
California 3 employees

Cybersecurity firm based in Sacramento, California, specializing in penetration testing and vulnerability assessment; offers free VAPT reports and security testing services, demonstrating active attack simulation capabilities and a focus on security compliance.

The Company Offers Penetration Testing
Vulnerability Assessments
Managed Security Services
+5 more
LMNTRIX

LMNTRIX

Internal and External Network ...
Irvine, United States 52 employees

Cybersecurity company specializing in threat detection, penetration testing, and incident response; founded 2015 in Irvine, CA; 29 employees; $3M funding; provides penetration testing services including internal and external assessments to simulate attacks and identify vulnerabilities.

LMNTRIX Offers Advanced Cybersecurity Services Including Managed Detection And Response (mdr)
Extended Detection And Response (xdr)
Penetration Testing
+5 more
Single Point of Contact

Single Point of Contact

Physical, Web Application, and...
Palo Alto, United States 15 employees

IT services and consulting company based in Palo Alto, California; 9 employees, $343.7K revenue, founded 1999; specializes in white label IT platforms, cloud services, and helpdesk support; provides penetration testing including vulnerability assessments, physical and web application pentests, and security simulations.

The Company Offers White Label Managed IT Services Including Help Desk Support
SOC And NOC Roles
Penetration Testing
+3 more
Aptori

Aptori

Application and API
California 3 employees

Cybersecurity company specializing in AI-powered application security and automated vulnerability remediation; headquartered in San Jose, CA; offers penetration testing services including AI-automated pen testing and API vulnerability scanning, focusing on proactive security for code, APIs, applications, and cloud.

Aptori Provides Ai-powered Application Security
Automated Vulnerability Detection And Remediation
Penetration Testing Including Automated API Pen Testing
+4 more
Gosecure

Gosecure

Network and Application
California 200 employees

Cybersecurity company providing 24/7 managed detection, response, and penetration testing services; headquartered in La Jolla, California, with dual presence in Montreal; specializes in active security testing, ethical hacking, and red-team activities.

Gosecure Offers 24/7 Managed Detection And Response
Penetration Testing
Professional Cybersecurity Consulting
+1 more
Deepwatch

Deepwatch

Red Team and Threat Simulation
Palo Alto, United States 249 employees

Cybersecurity company specializing in managed security services and advanced threat detection; $120M annual revenue, $381M total funding, founded 2019, Palo Alto, CA; provides penetration testing and security assessments, with active engagement in red team exercises and vulnerability exploitation.

Deepwatch Offers Managed Detection And Response (mdr) Services Powered By AI And Human Expertise
Including Continuous Monitoring
Threat Detection
+5 more
Deepbits Technology

Deepbits Technology

Binary and Firmware
California 9 employees

Cybersecurity company based in Riverside, California; specializes in binary analysis, penetration testing, and red team engagements; leverages patented AI-driven technology to deliver expert-level insights and simulate attacks for vulnerability assessment.

The Company Offers Binary Analysis
Penetration Testing
Red Team Engagements
+3 more
Cyvatar

Cyvatar

Network
Irvine, United States 19 employees

Cyvatar is a private cybersecurity company based in Irvine, California, specializing in cybersecurity management, vulnerability detection, and risk remediation; it provides penetration testing services as part of its offerings, with 19 employees, $4.2M revenue, and $12M in funding.

The Company Offers Penetration Testing
Vulnerability Management
Endpoint Security
+5 more
Palmchip

Palmchip

IoT
California 56 employees

Cybersecurity company specializing in IoT security solutions and IT consulting; headquartered in Fallbrook, California, with services including penetration testing and network security assessments.

Palmchip Offers Cybersecurity Services Including Iot Security Solutions
IT Consulting
Penetration Testing
+5 more
Nevtec

Nevtec

Network
California 10 employees

Cybersecurity company headquartered in San Jose, California; offers managed services and penetration testing to identify vulnerabilities and secure IT infrastructure.

Nevtec Offers Managed IT Services
Cybersecurity Solutions Including Penetration Testing And Vulnerability Assessments
Network Monitoring
+3 more
Dicar Networks

Dicar Networks

Network
California 16 employees

Cybersecurity and managed IT services provider headquartered in Morgan Hill, California; offers penetration testing services as part of their cybersecurity portfolio; operates in Santa Clara County, CA.

The Company Offers Managed IT Services
Cybersecurity Including Penetration Testing
Cloud Computing
+4 more
WS

Wired Security Incorporated

Network
California 17 employees

Cybersecurity firm based in Newport Beach, California; specializes in penetration testing, risk assessments, and security consulting with over 20 years of experience serving organizations of all sizes.

The Company Offers Penetration Testing
Risk Assessments
Security Consulting
+2 more
Proficio

Proficio

Network
California 108 employees

Cybersecurity company specializing in AI-powered managed detection and response; headquartered in Carlsbad, CA; offers penetration testing and breach simulation services to evaluate security defenses.

The Company Offers Ai-powered Managed Detection And Response
Soc-as-a-service
Automated Threat Response
+5 more
Pcc-it International

Pcc-it International

Network
California 50 employees

Cybersecurity company based in Calabasas, California; provides penetration testing services and cybersecurity solutions, with a focus on enterprise and government clients.

The Company Offers Penetration Testing
Cybersecurity Solutions
A Wide Range Of IT Products And Services Including Hardware And Software For Government
+2 more
911 PC Help, Inc.

911 PC Help, Inc.

Network
California 4 employees

Cybersecurity and IT services provider based in San Francisco, California; offers managed IT services and penetration testing (pentest) services performed by ethical hackers for security assessments.

The Company Offers Managed IT Services
Cybersecurity Solutions Including Penetration Testing By Ethical Hackers
Data Backup
+2 more