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Find a pentest company offering Penetration Testing

5017 companies offer this service

Lost Rabbit Labs

Lost Rabbit Labs

Offensive Security Services
Denver, United States 6 employees

Cybersecurity and investigations firm specializing in penetration testing, threat landscape assessments, digital footprint discovery, and asset analysis crawling; founded in 2020, with 2 employees (+20% YoY growth), headquartered in Denver, Colorado, United States.

Penetration Testing
Vulnerability Assessment
Digital Footprint Discovery
+5 more
DirectDefense

DirectDefense

Enterprise and ICS/SCADA Penet...
Englewood, United States 101 employees

Cybersecurity company specializing in penetration testing, enterprise risk assessments, and managed security services; 74 employees, $11.2M revenue, founded 2012, headquartered in Englewood, Colorado, with a focus on security testing and resiliency.

Enterprise Risk Assessments
Penetration Testing
ICS/SCADA Security Services
+5 more
NETRAT Information Security

NETRAT Information Security

Red Teaming and Penetration Te...
Fort Collins, United States 5 employees

Cybersecurity company specializing in penetration testing, social engineering, and network security audits; founded in 2023 with 2 employees in Fort Collins, Colorado; focuses on Red-Team operations and ethical hacking to strengthen organizational defenses.

Penetration Testing
Red Teaming
Simulated Attacks
+2 more
Mile High Cyber

Mile High Cyber

Application and Network Penetr...
Colorado Springs, United States 3 employees

Cybersecurity company specializing in application penetration testing, risk management, and cybersecurity consulting; 3 employees, founded 2020, based in Colorado Springs, Colorado, with a focus on tailored, affordable security solutions and long-term client relationships.

Application Penetration Testing
Penetration Testing
Cybersecurity Services
+1 more
CP Cyber

CP Cyber

Ethical Hacking and Penetratio...
United States 6 employees

CP Cyber is a private cybersecurity company based in Denver, Colorado, specializing in computer and network security services such as penetration testing, vulnerability assessments, breach recovery, and compliance. Founded in 2017, it has a team of 5 employees with 20% YoY growth, serving clients in healthcare and IT sectors; it maintains a modest web presence with 586 monthly visits and a global rank of #10,120,702.

Penetration Testing
SOC & SIEM
Compliance & Frameworks
+3 more
Root Down Digital

Root Down Digital

Information and Network Securi...
Denver, United States 3 employees

IT Services and IT Consulting company specializing in security, hardware, and advanced coding; provides penetration testing, security assessments, and embedded systems solutions; 3 employees with 50% YoY growth; founded 2014; headquartered in Denver, Colorado.

Penetration Testing
Mobile App Development
Web App Development
+2 more
Digital Silence

Digital Silence

Penetration Testing
Denver, United States 10 employees

Cybersecurity and risk advisory company specializing in penetration testing, security assessments, and adversary simulations; 10 employees, founded 2017, based in Denver, Colorado, with expertise across industries including healthcare, finance, and critical infrastructure.

Penetration Testing
Vulnerability Management
Regulatory Compliance
+5 more
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Exploit Technology

Exploit Technology

External and Internal Penetrat...
Aurora, United States 2 employees

Exploit Technology is a cybersecurity-focused IT services and consulting company specializing in penetration testing and proactive security assessments; founded in 2023, with 2 employees and headquartered in Aurora, Colorado, United States. The firm emphasizes real-world attack simulation to identify and address vulnerabilities.

Penetration Testing
Vulnerability Assessment
Security Auditing
Rule4

Rule4

Application and API Penetratio...
Boulder, United States 20 employees

Rule4 is a private IT services and consulting company specializing in cybersecurity and emerging technology advisory; offers penetration testing services including application and API pentests; 13 employees with 17.6% YoY growth; $5M-$25M revenue; founded 2018; headquartered in Boulder, Colorado.

Cybersecurity Strategy & Leadership
Vciso
Cybersecurity Assessment
+5 more
MainNerve Cybersecurity

MainNerve Cybersecurity

Manual Penetration Testing
Colorado Springs, United States 13 employees

Cybersecurity company specializing in penetration testing and compliance solutions; 7 employees, $44.9M revenue, founded 2001, headquartered in Colorado Springs, CO • Focused on manual testing and risk assessment, with a market position at #11,196,752 globally and #3,037,669 in the US, demonstrating a niche leadership in cybersecurity services.

Penetration Testing
Compliance Solutions
Controllo GRC Supercharged by AI

Controllo GRC Supercharged by AI

AI and Cybersecurity Penetrati...
Denver, United States 10 employees

Controllo GRC Supercharged by AI is a private cybersecurity firm providing GRC automation platform for compliance, risk assessment, and continuous monitoring; 6 employees, founded 2017, based in Denver, Colorado; offers penetration testing services as part of its cybersecurity solutions; $312K annual revenue.

Automated Compliance
Penetration Testing
Risk Management
+5 more
Ravdal

Ravdal

Penetration Testing Services
Longmont, United States 3 employees

Cybersecurity consulting firm specializing in penetration testing, data security, and risk management; 3 employees with -50% YoY growth; founded 2010; based in Longmont, Colorado, United States.

Assessment Services
Regulatory And Compliance Consulting
Remediation Services
+4 more
Alchemy Security, LLC

Alchemy Security, LLC

22
Denver, United States 18 employees

Cybersecurity company specializing in risk management, managed security services, and Splunk solutions; 18 employees, founded 2007, based in Denver, Colorado; provides penetration testing services that emulate hacker activities to identify vulnerabilities.

Managed Security Services
Splunk Solutions
Professional Services
+3 more
Red Team Cyber Security®

Red Team Cyber Security®

Internal and External Penetrat...
Evergreen, United States 2 employees

IT services and consulting company specializing in vulnerability testing and penetration testing; 2 employees with 100% YoY growth; based in Evergreen, Colorado, United States; offers cybersecurity training, risk assessments, and domain name sales.

Penetration Testing
Vulnerability Testing
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DevilDog Cybersecurity

DevilDog Cybersecurity

Customized Penetration Testing
Denver, United States 9 employees

Cybersecurity company specializing in turnkey security solutions, vulnerability assessments, pen testing, managed services, compliance audits, and cloud security; 5 employees, founded 2018, based in Denver, Colorado, United States.

Vulnerability Assessment
Scanning
Penetration Testing
+5 more
Xylok LLC

Xylok LLC

Automated RMF Penetration Test...
Colorado Springs, United States 6 employees

Cybersecurity company specializing in assessment, compliance, and automation solutions; offers penetration testing via its Xylok Scanner tool, supporting RMF, NIST, and CMMC standards; founded in 2016, 4 employees, headquartered in Colorado Springs, Colorado, with +100% YoY growth.

RMF Compliance Auditing And Monitoring
Penetration Testing
ASCA Professional Assessment Services
+4 more
Capstone Security

Capstone Security

Network Penetration Testing
Englewood, United States 2 employees

Capstone Security is a private higher education firm specializing in information security consulting; it offers penetration testing services, including network penetration tests that analyze risk by exploiting vulnerabilities. Headquartered in Englewood, Colorado, United States, the company has 2 employees and experienced 100% YoY growth.

Penetration Testing
Network Penetration Test
Security Assessments
Uncommon Mercenaries

Uncommon Mercenaries

AI-Powered Penetration Testing
Anywhere, United States 9 employees

Cybersecurity firm specializing in AI-powered penetration testing; offers services such as threat hunting, incident response, deception, and security assessments; 5 employees with 50% YoY growth; founded 2018; headquartered in Anywhere, Colorado, United States.

CISO / CSO Advisory
ICS Security Advisory
Threat Hunting
+4 more
Ironline Security

Ironline Security

Comprehensive Penetration Test...
Denver, United States 3 employees

Cybersecurity consultancy specializing in information security and penetration testing; offers custom, vendor-agnostic solutions including social engineering, vulnerability exploitation, and web application testing; 2 employees; Founded 2014; Denver, Colorado, USA.

Consulting
Assessments
Penetration Testing
+2 more
Cyberix, Inc.

Cyberix, Inc.

External Penetration Testing, ...
Aurora, United States 4 employees

Cyberix, Inc. is a private cybersecurity firm based in Aurora, Colorado, founded in 2024 with 4 employees. The company provides advanced cybersecurity, managed IT services, and technology consulting, with core expertise in penetration testing, network security, cloud infrastructure, and compliance solutions, serving organizations of all sizes.

Virtual SOC
Penetration Testing
Incident Response
+5 more
SpyderSec

SpyderSec

Comprehensive Penetration Test...
Denver, United States 2 employees

Cybersecurity company specializing in computer and network security; provides penetration testing services and related cybersecurity solutions. Founded in 2015, headquartered in Denver, Colorado, with 1 employee and 452 monthly website visits.

Penetration Testing
Red Teaming
Purple Teaming
+5 more
Intrinsic Cyber Solution & Services LLC

Intrinsic Cyber Solution & Services LLC

Network Penetration Testing
Monument, United States 0

IT Services and IT Consulting company specializing in cybersecurity training, vulnerability assessments, penetration testing, policy development, and cybersecurity investigations; based in Monument, Colorado, United States, with 0 employees, serving both commercial and residential clients.

Cybersecurity Training
Corporate Training
Basic User Training
+5 more
DirSec

DirSec

Network, Application, and Wire...
Colorado 14 employees

Cybersecurity company based in Louisville, Colorado, United States; specializes in penetration testing services including network, application, and wireless testing to identify vulnerabilities and enhance security.

Penetration Testing
Network Security
Application Security
+5 more
LeafTech Consulting

LeafTech Consulting

Penetration and Vulnerability ...
Colorado 29 employees

Colorado-based IT services provider specializing in managed IT and cybersecurity; offers penetration testing services; headquartered in Centennial, Colorado; founded in 2010; serves small to medium-sized businesses.

Managed IT Services
Cyber Security
Penetration Testing
+5 more
Optiv

Optiv

Manual and Automated Penetrati...
Colorado 1611 employees

Cybersecurity consulting firm based in Denver, Colorado; provides penetration testing, vulnerability assessments, and cyber risk management services. Offers manual and automated pentest solutions, including white/grey/black box testing, with ongoing vulnerability exposure programs.

Penetration Testing
Vulnerability Assessment
Cyber Risk Management
+4 more
Insight Designs Web Solutions, LLC

Insight Designs Web Solutions, LLC

Website Penetration Testing
Boulder, United States 15 employees

Insight Designs Web Solutions, LLC is a private web design and development agency based in Boulder, Colorado, founded in 1999; 10 employees with 15.4% YoY growth and $2.6M revenue. They specialize in WordPress, Shopify, Magento, and BigCommerce, offering website creation, redesign, and maintenance services. The company actively provides penetration testing services, including SQL injection, DoS, cross-site scripting, and man-in-the-middle testing, with dedicated service pages confirming this capability.

Penetration Testing
End-to-end Encryption Audits And Testing
Third-party Security Services
+5 more
Point Solutions Security

Point Solutions Security

Advanced Penetration Testing
Denver, United States 13 employees

Cybersecurity company specializing in computer and network security services; offers penetration testing, governance, risk, and compliance solutions; founded in 2017, based in Denver, Colorado, with 11 employees and 116.7% YoY growth.

Cyber Security As A Service
Governance Risk Compliance
Penetration Testing
+5 more
Security Pursuit

Security Pursuit

Application, Network, Social E...
Colorado 1 employees

Cybersecurity company founded in 2011 and based in Denver, Colorado; specializes in penetration testing services to identify vulnerabilities before exploitation.

Penetration Testing
Application
Network
+5 more
Valkyries' Information Security

Valkyries' Information Security

Comprehensive Penetration Test...
Pueblo, United States 8 employees

Cybersecurity company based in Pueblo, Colorado, with 6 employees; provides penetration testing, managed security, disaster recovery, private cloud, and incident response services; 206 monthly website visits; active on social media.

Managed Service Provider
Managed Security Service Provider
Penetration Testing
+5 more
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VS

Venture Sec

Penetration Testing with Attac...
Colorado 2 employees

Cybersecurity firm based in Aurora, Colorado, specializing in penetration testing services; explicitly markets attack simulation and vulnerability assessment capabilities.

Penetration Testing
Attack Simulation
Vulnerability Assessment
SimpleFly Tech

SimpleFly Tech

Internal and External Penetrat...
Denver, United States 2 employees

IT services and consulting company based in Denver, Colorado, with a focus on secure WiFi networks and cybersecurity; explicitly offers penetration testing services including cybersecurity assessments and active security testing; founded 2015; 1 employee.

Managed IT Services
Ubiquiti Support
Cybersecurity
+5 more
Elevate Services Group

Elevate Services Group

Network Penetration Testing
Colorado 25 employees

Colorado-based IT services company specializing in managed IT support and cybersecurity; offers penetration testing, vulnerability scans, and active security testing to identify vulnerabilities and prevent intrusions.

Managed IT Support
Cybersecurity
Penetration Testing
+5 more
Todyl

Todyl

Comprehensive Penetration Test...
Denver, United States 124 employees

Cybersecurity company specializing in comprehensive network security and offensive security services; explicitly offers penetration testing and active security testing capabilities, with a focus on attack vector documentation and security exercises. Based in Denver, Colorado, USA, with 118 employees (+7.8% YoY growth), $6.5M annual revenue, and $83.8M in total funding.

Secure Access Service Edge (sase)
Endpoint Security
Security Information And Event Management (siem)
+5 more
Blackpoint Cyber

Blackpoint Cyber

Comprehensive Network and Endp...
Denver, United States 197 employees

Cybersecurity company specializing in network security, threat neutralization, and managed detection and response (MDR); offers penetration testing services as part of its security solutions; 157 employees (+7.1% YoY growth); $39.8M annual revenue; founded in 2014; headquartered in Denver, Colorado; raised $201.4M in total funding, last round Series C in June 2023; active in threat detection, network visualization, and cyber defense.

Managed Detection And Response (mdr)
Penetration Testing
Vulnerability Management
+5 more
XSEC LIMITED

XSEC LIMITED

Software and Network Penetrati...
Denver, United States 2 employees

XSEC LIMITED is a cybersecurity-focused IT services and consulting company founded in 2018 and headquartered in Denver, Colorado. It has 1 employee with +100% YoY growth and provides services such as penetration testing, cloud security, software security, and AI-driven security solutions, explicitly offering penetration testing services as part of its assessment offerings.

Penetration Testing
Security Assessments
Cyber Security
+5 more
Allied Cybersecurity

Allied Cybersecurity

Penetration Testing Services
Colorado 6 employees

Cybersecurity firm based in Englewood, Colorado, specializing in penetration testing services; explicitly offers attack simulation to identify vulnerabilities, supporting active security testing capabilities.

EDR/MDR/XDR
Vulnerability Scanning
Penetration Testing
+5 more
CSD Cyber

CSD Cyber

Black Box Penetration Testing
Colorado 1 employees

Cybersecurity company based in Colorado Springs, Colorado; specializes in penetration testing and offensive security services, including a 'One-Day Black Box Penetration Test' and Red Team offerings.

Penetration Testing
Offensive Security Services
Red Team Services
+4 more
Velite

Velite

Offensive Security Penetration...
Colorado 2 employees

Cybersecurity company specializing in penetration testing, 24/7 monitoring, incident response, and compliance services; headquartered in Silverthorne, Colorado, United States; offers cutting-edge pen testing and security resilience solutions.

Penetration Testing
Red Teaming
Social Engineering
+5 more
L2 Cyber Solutions

L2 Cyber Solutions

Penetration Testing Services
Colorado 11 employees

Cybersecurity firm headquartered in Greenwood Village, Colorado, United States; specializes in penetration testing and security evaluation services; explicitly listed 'Penetration Testing' in their 2022 Capabilities Statement; provides tailored cybersecurity solutions to businesses.

Penetration Testing
Risk And Vulnerability Assessment
Security Testing And Evaluation
+5 more
Cyber Tech Connection

Cyber Tech Connection

External and Internal Network ...
Colorado 2 employees

Cyber Tech Connection is a cybersecurity company headquartered in Boulder, Colorado; it provides penetration testing services including simulated cyber attack assessments, external/internal testing, and vulnerability reporting.

Mobile Phone Defense
Endpoint Management
Cybersecurity
+5 more
Tekkis

Tekkis

Comprehensive Penetration Test...
Colorado 12 employees

Cybersecurity company based in Westminster, Colorado, specializing in penetration testing and ethical hacking services; offers trusted protection for healthcare and veterinary offices, with a focus on professional security testing and cyber-attack simulations.

Penetration Testing
Ethical Hacking
Digital Forensics
+5 more
Linford & Company LLP

Linford & Company LLP

Comprehensive Penetration Test...
Colorado 11 employees

Independent external IT auditors specializing in SOC audits, assurance services, and penetration testing; headquartered in Denver, Colorado, with a focus on cybersecurity assessments and compliance.

SOC 1 Audits
SOC 2 Audits
HIPAA Audits
+5 more
Olivetech

Olivetech

Regulatory Compliance Penetrat...
Colorado 4 employees

Cybersecurity and managed IT services provider based in Berthoud, Colorado; offers penetration testing, vulnerability assessments, and enterprise-grade cybersecurity solutions for professional service firms in Denver and Northern Colorado.

Penetration Testing
Vulnerability Assessment
AI Solutions & Intelligent Agents
+4 more
Lares

Lares

Offensive Security Penetration...
Colorado 26 employees

Cybersecurity firm specializing in penetration testing and red team assessments; based in Denver, Colorado, with a focus on offensive security services that simulate real-world cyber attacks to identify vulnerabilities.

Penetration Testing
Red Team Testing
Application Security
+5 more
FocusConnect IT

FocusConnect IT

Comprehensive Penetration Test...
Colorado 3 employees

Cybersecurity company headquartered in Denver, Colorado; provides penetration testing services for vulnerability assessment and security management; serves fast-growing companies with a focus on IT and cybersecurity solutions.

Managed IT Services
Cloud Security
Networks
+5 more
PCG Systems

PCG Systems

Network Penetration Testing
Colorado 11 employees

Colorado-based managed services provider specializing in strategy, technology, and cybersecurity; offers penetration testing among its managed security services, serving clients nationwide from Denver, CO.

Managed IT Services
IT Consulting
Cloud Solutions
+4 more
TechSkill Nation LLC

TechSkill Nation LLC

Penetration Testing and Incide...
Parker, United States 2 employees

Private information services company based in Parker, Colorado, USA; founded in 2017; 2 employees with -33.3% YoY growth. Specializes in cybersecurity consulting, including penetration testing, incident triage, and CISO services, alongside software development, cloud, and infrastructure solutions. Minimal web traffic with 54 monthly visits.

Software Development
Cybersecurity Consulting
Incident Triage
+5 more
Point Solutions Group, Llc

Point Solutions Group, Llc

Red Team Penetration Testing
Colorado 23 employees

Cybersecurity firm headquartered in Denver, Colorado; provides penetration testing and red-team services with a focus on proactive security assessments; confirmed offerings include annual pen tests and simulated attack exercises.

Penetration Testing
Red-team Services
Cybersecurity As A Service
+5 more
DarkOwl

DarkOwl

Network, Web Application, and ...
Denver, United States 31 employees

DarkOwl is a darknet data provider and cybersecurity firm based in Denver, Colorado, specializing in darknet, deep web, and high-risk surface web content indexing; it offers darknet intelligence platforms and penetration testing services. With 15 employees and $4.8M annual revenue, it was founded in 2009 and has raised $14.1M in funding. Recent partnerships focus on enhancing darknet intelligence and cybersecurity investigations.

Penetration Testing
Executive Protection
Darknet Risk Analysis
+4 more
Bluewave Cyberdefense

Bluewave Cyberdefense

Network Penetration Testing
Denver, United States 2 employees

Cybersecurity firm based in Denver, Colorado, with 2 employees; specializes in MDR, cloud security, incident response, endpoint and network security, IAM, vulnerability management, and penetration testing; focuses on providing SMBs with unified security solutions.

Managed Detection And Response (mdr)
Cloud Security
Identity Management
+5 more
Haden Grey

Haden Grey

Comprehensive Penetration Test...
Centennial, United States 23 employees

IT Services and IT Consulting company based in Centennial, Colorado, USA; 14 employees with +64.3% YoY growth; offers penetration testing (PTaaS), network, web app, API, mobile, and cloud security testing services; founded in 2020; 753 monthly website visits.

Identity Access Management
Penetration Testing
Network Security
+1 more
TopNotchQA

TopNotchQA

Software, Web, and Mobile Pene...
Boulder, United States 64 employees

TopNotchQA is a private software development company specializing in quality assurance testing, including penetration testing; based in Boulder, Colorado, with 14 employees, founded in 2015, offering services in security, functional, performance, and accessibility testing, leveraging over 45 years of combined experience.

Quality Assurance
Software Testing
Web Application Testing
+5 more
Esimplicity Technologies

Esimplicity Technologies

Penetration Testing for Cyber ...
Colorado 2 employees

Cybersecurity company headquartered in Broomfield, Colorado; offers risk assessments and penetration testing services to identify vulnerabilities and enhance cybersecurity posture; focuses on affordable IT solutions for construction, finance, and manufacturing industries.

Risk Assessments
Penetration Testing
Vulnerability Assessments
+4 more
OnPath Testing

OnPath Testing

Application and Network Penetr...
Boulder, United States 9 employees

IT services and consulting company specializing in quality assurance and security testing, including penetration testing; based in Boulder, Colorado, with 7 employees, $1.4M revenue, founded in 2009, with a focus on customized testing solutions and active security testing capabilities.

Manual Testing
Automation Testing
Performance Testing
+5 more
Rio Bravo Systems, Inc.

Rio Bravo Systems, Inc.

Certified Ethical Hacking and ...
Englewood Co, United States 112 employees

Rio Bravo Systems, Inc. is a private IT services and consulting company headquartered in Englewood, Colorado, with 75 employees and a -9.7% YoY growth. The firm specializes in enterprise IT solutions and cybersecurity, including penetration testing services conducted by certified ethical professionals; it has been in operation for over 20 years with offices in the US and Latin America. The company has a modest web presence, with 1,097 monthly visits and a global rank of #11,404,967, and holds a 4.3/5 employer rating.

Penetration Testing
Vulnerability Management
Managed Detection And Response
+4 more
ItGuys Team MSP

ItGuys Team MSP

Network Penetration Testing
Colorado 2 employees

Managed service provider based in Denver, Colorado; offers on-site IT support, cybersecurity, and penetration testing services including stress-testing and biannual assessments; founded in Colorado with a focus on proactive security solutions.

On-site IT Support
Cybersecurity
Penetration Testing
+5 more
Dpg Solutions

Dpg Solutions

Active Security Testing
Colorado 29 employees

Cybersecurity firm based in Parker, Colorado; offers penetration testing, vulnerability scanning, and code reviews as part of DevSecOps services, emphasizing active security testing capabilities.

Penetration Testing
Vulnerability Scanning
Code Reviews
+5 more
CloudSapio

CloudSapio

Penetration Testing and Ethica...
Denver, United States 2 employees

IT services and consulting company based in Denver, Colorado, specializing in cybersecurity, IT support, and penetration testing; founded 2022; 2 employees; provides certified ethical hacking and penetration testing services, aiming to make technology accessible and secure for businesses.

Penetration Testing
Ethical Hacking
IT Security Solutions
+4 more
Propel Technology

Propel Technology

Infrastructure and Systems Pen...
Colorado 7 employees

IT services and cybersecurity company based in Westminster, Colorado, United States; specializes in penetration testing and security risk assessments, emphasizing active vulnerability identification and cybersecurity consulting.

Managed IT Services
Supplemental IT Services
Security Consulting
+5 more
Canaan Technology

Canaan Technology

Cybersecurity Penetration Test...
Norwalk, United States 11 employees

IT services and consulting company specializing in Microsoft 365, cybersecurity, and penetration testing; founded in 2001, based in Norwalk, Connecticut, with 5 employees and $10.8M revenue; offers proactive business IT solutions, 24/7 SOC, and recent $30M stock buyback.

Proactive IT Services
Microsoft 365 Cloud Services
Co-managed IT Services
+5 more
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Kairos Vision Consult

Kairos Vision Consult

Network Security
Stamford, United States 25 employees

Cybersecurity and managed security service provider based in Stamford, Connecticut, United States; founded in 2016 with 2 employees and +31.6% YoY growth. Specializes in cybersecurity training, penetration testing, compliance, and risk assessment, with dedicated service pages confirming penetration testing capabilities.

FIMSA Compliance
GDPR Compliance
HIPPA Compliance
+5 more
BCMProfessionals

BCMProfessionals

Cybersecurity Penetration Test...
Milford, United States 3 employees

IT Services and IT Consulting company specializing in cybersecurity, penetration testing, and disaster management; 2 employees, $7.2M revenue, founded 2011 in Milford, Connecticut; SDVOSB with expertise in risk assessment, business continuity, and crisis communications.

Consulting Services
GRC Advisory Services
AI & Analytics
+4 more
Core Networks, Inc.

Core Networks, Inc.

Web Application Penetration Te...
Glastonbury, United States 2 employees

IT services and consulting company specializing in information security; offers penetration testing, forensics, incident response, and security consulting; 2 employees; founded 1991; headquartered in Glastonbury, Connecticut, USA.

Penetration Testing
Forensics And Incident Response
Web Application Penetration Testing
+3 more
Grey Swan LLC

Grey Swan LLC

Network Security
Norwalk, United States 2 employees

Computer and Network Security consulting firm specializing in penetration testing; founded in 2013, based in Norwalk, Connecticut, with 2 employees and +100% YoY growth; offers IT risk assessment, security controls audit, and IP protection services.

Penetration Testing
Security Consulting
Vancord

Vancord

Infrastructure, Cloud, and App...
Milford, United States 42 employees

Vancord is a cybersecurity and IT services provider based in Milford, Connecticut, with 28 employees and -8.7% YoY growth; specializes in incident response, penetration testing, CMMC compliance, and managed security services, serving the Northeast region.

Managed IT Services
Managed Detection & Response (mdr)
Security Program Development (viso)
+5 more
CyberGuard360

CyberGuard360

Internal and External Network ...
Wilton, United States 13 employees

CyberGuard360 is a private cybersecurity and compliance platform company founded in 2016, based in Wilton, Connecticut, USA; specializing in risk assessment, breach prevention, and employee training for SMBs. They explicitly offer penetration testing services, including external and internal pentests and vulnerability assessments, as part of their cybersecurity offerings. The firm employs 8 staff, with a -31.6% YoY growth, and maintains a modest web presence with 544 monthly visits and a global rank of #13,031,662.

Penetration Testing
Vulnerability Assessment
Security Awareness Training
+5 more
Beazley Security

Beazley Security

Comprehensive Penetration Test...
West Hartford, United States 174 employees

Cybersecurity company specializing in cyber risk management, penetration testing, and incident response; 127 employees (+32.8% YoY growth), $4.1M annual revenue, founded 2016, headquartered in West Hartford, Connecticut. Offers comprehensive penetration testing, digital forensics, breach response, and regulatory compliance services, with a focus on enhancing client cyber resilience.

Penetration Testing
Managed XDR
Attack Surface Management
+5 more
Absolute Logic: Technology, Cybersecurity & Compliance Solutions

Absolute Logic: Technology, Cybersecurity & Compliance Solutions

Compliance-Focused Penetration...
Wilton, United States 7 employees

IT services and consulting company specializing in cybersecurity, compliance, and managed services; offers penetration testing, risk assessment, and remediation; based in Wilton, Connecticut, with $10M revenue, 6 employees, founded in 1991.

IT Services
Cybersecurity
Compliance Solutions
+5 more
Connecticut Information Security, LLC

Connecticut Information Security, LLC

Web Application Testing
Norwalk, United States 4 employees

Connecticut Information Security, LLC is a cybersecurity company based in Norwalk, Connecticut, founded in 2007, with 4 employees and $21M revenue. They specialize in security risk identification, network protection, and comprehensive security assessments, including penetration testing services across various domains. The firm has experienced 100% YoY growth and offers a full suite of cybersecurity solutions.

Penetration Testing
Security Assessments
IT Security Healthcheck
+3 more
Kyber Security

Kyber Security

Network Penetration Testing
Trumbull, United States 14 employees

Cybersecurity company providing managed IT, penetration testing, vulnerability scans, and compliance services; 8 employees, $5.8M revenue, founded 2017, headquartered in Trumbull, Connecticut, USA.

Penetration Testing
Cybersecurity Services
Compliance Services
+2 more
Resolute Partners

Resolute Partners

Government Network Security Te...
Southington, United States 18 employees

IT Services and Consulting company specializing in network engineering, security, and IoT solutions; offers penetration testing and security audits; 9 employees, $13.6M revenue, founded 1997, Southington, Connecticut, USA.

Advanced Network Engineering
Video Security Services
Energy Management Systems
+5 more
CyberSecOp - Cyber Security Operations Consulting

CyberSecOp - Cyber Security Operations Consulting

Network Penetration Testing
Stamford, United States 20 employees

CyberSecOp is a cybersecurity consulting firm based in Stamford, Connecticut, founded in 2008. It provides cybersecurity services including penetration testing, risk management, and compliance, with 12 employees and $10M annual revenue. The company is ISO 27001 and CMMC-AB RPO certified, supporting information security, audits, and regulation programs.

Penetration Testing
Vulnerability Assessment
Security Consulting
+5 more
CorCystems Managed IT Services

CorCystems Managed IT Services

Network Security Penetration T...
ridgefield, United States 29 employees

CorCystems Managed IT Services is a Connecticut-based private IT services and consulting company founded in 2000, with 17 employees and $13.1M revenue. It specializes in managed IT solutions, backup & disaster recovery, business phone systems, and explicitly offers penetration testing services for cybersecurity. The company serves clients in Ridgefield and surrounding Connecticut areas, competing with firms like Sify Technologies and Lumen Technologies, and has experienced a slight decline of -3.3% in growth.

Managed IT
Co-managed IT
Cloud Solutions
+5 more
C~sharpe Security Consulting, Llc

C~sharpe Security Consulting, Llc

Network Security Penetration T...
Connecticut 2 employees

Cybersecurity consulting firm based in Shelton, Connecticut, providing penetration testing services; specializes in ethical hacking, security assessments, and compliance; certified CEH team demonstrates expertise in penetration testing and security evaluations.

Penetration Testing
Ethical Hacking
Security Assessments
+5 more
Encompass IT Solutions

Encompass IT Solutions

Network and Application Penetr...
Manchester, United States 11 employees

Encompass IT Solutions is a cybersecurity and IT services provider based in Manchester, Connecticut, founded in 2015 with 7 employees. They specialize in penetration testing, IT help desk support, cloud and managed IT services, and cybersecurity employee education; with over 30 years of experience serving small businesses in Connecticut and New England. The company explicitly offers penetration testing services to identify vulnerabilities across networks, applications, and endpoints.

Penetration Testing
Cybersecurity Services
IT Help Desk Support
+5 more
AS

Audit Serve Inc

Application-Level Penetration ...
Connecticut 2 employees

Cybersecurity consulting firm with 30+ years of experience; headquartered in New Canaan, Connecticut, USA; offers penetration testing, vulnerability assessments, and cybersecurity audits; specializes in AI, Data Governance, IT Governance, and Software Development.

Penetration Testing
Vulnerability Assessment
Cybersecurity Audits
+5 more
Skilled Cyber

Skilled Cyber

Network and Cloud Penetration ...
Killingworth, United States 3 employees

Cybersecurity company providing penetration testing, compliance, and virtual security services for regulated entities; 2 employees with 50% YoY growth, founded in 2007, based in Killingworth, Connecticut, USA.

Virtual Chief Security Officer (vcso)
Regulatory Compliance
Penetration Testing
+3 more
Innovative Network Solutions Corp

Innovative Network Solutions Corp

Network Security Penetration T...
Connecticut 40 employees

Connecticut-based IT company headquartered in Stamford; provides managed IT services and cybersecurity solutions including penetration testing, with satellite locations in Hartford, CT. Known for security assessments and client engagement in cybersecurity.

Managed IT Services
Cyber Security
Penetration Testing
+5 more
Southridge Technology

Southridge Technology

Network Penetration Testing
Connecticut 10 employees

Cybersecurity firm headquartered in Brookfield, Connecticut, providing penetration testing services; offers network penetration testing to evaluate security vulnerabilities, with a focus on proactive security assessment.

Penetration Testing
Cyber Security
Business Continuity
+5 more
Atlantic Data Security, LLC

Atlantic Data Security, LLC

Network Security Penetration T...
East Hartford, United States 64 employees

Cybersecurity company specializing in computer and network security; offers penetration testing, vulnerability assessments, and automated testing; founded 2011, 41 employees, headquartered in East Hartford, Connecticut, USA; rated 4.8/5 by employees.

Penetration Testing
Vulnerability Assessment
Ethical Hacking
+5 more
Cyber-Hack Solutions LLC

Cyber-Hack Solutions LLC

Network Security
Connecticut 1 employees

Cyber-Hack Solutions LLC is a cybersecurity firm based in Connecticut, specializing in penetration testing and vulnerability assessments; provides ethical hacking services and security evaluations, with headquarters in Litchfield, CT.

Penetration Testing
Vulnerability Assessments
Ethical Hacking Services
+1 more
Now It Works

Now It Works

Third-Party Penetration Testin...
Connecticut 6 employees

Connecticut-based IT services provider specializing in managed IT support and cybersecurity; offers third-party penetration testing services to identify security vulnerabilities, with over 20 years of local market experience. Headquartered in East Hampton, CT.

Managed IT Services
IT Help Desk
Remote Security
+3 more
Twin Networks

Twin Networks

Network Penetration Testing
Centerbrook, United States 16 employees

IT services and consulting company based in Connecticut, USA; 10 employees with -11.1% YoY growth; offers managed IT, cybersecurity, backup, disaster recovery, and strategic IT leadership; explicitly provides network penetration testing as part of cybersecurity solutions.

Managed IT Services
Co-managed IT Services
Cybersecurity Solutions
+3 more
TruOps

TruOps

Comprehensive Penetration Test...
Connecticut 11 employees

Cybersecurity and GRC platform provider specializing in multi-tenant solutions; offers risk, compliance, third-party management, penetration testing, and vulnerability management for over 100 clients; headquartered in Norwalk, Connecticut, USA.

Risk Management
Compliance Management
Third-party Management
+5 more
ADNET Technologies

ADNET Technologies

Network Penetration Testing
Connecticut 54 employees

Connecticut-based IT company specializing in cybersecurity, cloud, and IT support; offers penetration testing services to identify vulnerabilities and demonstrate attack scenarios. Headquarters in Connecticut, serving CT & NY.

Managed IT Services
Cloud Services
Cybersecurity Services
+5 more
Vectro It

Vectro It

Network Penetration Testing
Connecticut 6 employees

IT services and cybersecurity provider based in Danbury, Connecticut; offers personalized IT solutions for small businesses, home offices, and enterprises in the tri-state area; provides penetration testing services, including network penetration testing.

Managed Services
Professional Services
Co-managed IT Services
+1 more
Decian Inc.

Decian Inc.

Real-World Attack Simulation
Connecticut 14 employees

Connecticut-based enterprise technology solutions provider specializing in cybersecurity, AI-driven development, and managed IT services; offers penetration testing services that simulate real-world attacks to identify vulnerabilities and strengthen defenses.

Managed Services
IT Support
Cybersecurity
+5 more
Connecticut Business Technology Group LLC

Connecticut Business Technology Group LLC

Network Security
Connecticut 5 employees

Connecticut Business Technology Group LLC (CBTG) is a Connecticut-based IT support company founded in 2010, headquartered in Cromwell, CT. They deliver B2B IT support and provide penetration testing services, including vulnerability assessments and manual security testing.

Ongoing Managed Support
Cybersecurity Compliance
Backup And Disaster Recovery
+5 more
Computronix LLC

Computronix LLC

Network Security
Connecticut 80 employees

IT support and cybersecurity company based in Stamford, Connecticut; provides managed IT services, cybersecurity, and penetration testing; emphasizes fast response, quality service, and security testing capabilities.

Managed IT Services
Cybersecurity
Penetration Testing
+5 more
AmaTech Solutions LLC

AmaTech Solutions LLC

Penetration Testing Frameworks
Connecticut 5 employees

Cybersecurity firm headquartered in Guilford, Connecticut; specializes in penetration testing, vulnerability assessments, and cybersecurity consulting; offers open-source pentest frameworks and comprehensive security services.

Penetration Testing
Vulnerability Assessment
Cybersecurity Consulting
+5 more
Pylon Technology

Pylon Technology

Regulatory Compliance Penetrat...
Connecticut 11 employees

Cybersecurity and managed security services provider based in Westport, Connecticut; offers penetration testing, vulnerability assessments, and compliance services for regulated organizations; 17+ years in business, serving 100+ clients, with 2 SOC locations.

Managed Technology And IT Support
Professional Services
Cybersecurity And Compliance
+5 more
RC

Rad Computing

Network Penetration Testing
Connecticut 2 employees

IT consulting company based in Vernon, Connecticut; provides personalized IT support, network security, and cloud solutions. Offers penetration testing services such as network penetration tests and port scans, emphasizing its security testing capabilities.

IT Consulting
Personalized IT Support
Network Security
+5 more
Nutmeg Consulting

Nutmeg Consulting

Network Penetration Testing
Connecticut 13 employees

Cybersecurity and IT services company based in Middletown, CT; offers penetration testing and managed IT solutions; headquartered in Middletown, Connecticut, United States.

Penetration Testing
Managed IT Services
IT Consulting
+5 more
Tab Computer Systems, Inc.

Tab Computer Systems, Inc.

Network Security Penetration T...
Connecticut 41 employees

Connecticut-based IT services firm specializing in infrastructure and cybersecurity; explicitly offers penetration testing and vulnerability management services, with headquarters in East Hartford, CT.

IT Services
Compliance Solutions
Cyberattack Risk Assessment
+5 more
WhiteJaguars Cyber Security

WhiteJaguars Cyber Security

Penetration Testing and Applic...
Newark, United States 6 employees

WhiteJaguars Cyber Security is a cybersecurity-focused IT services and consulting company based in Newark, Delaware, with 3 employees and founded in 2016. The firm specializes in penetration testing, application security, vulnerability detection, and brand protection, emphasizing manual penetration testing and security assessments; it experienced a 25% decline in yearly growth.

Penetration Testing
Application Security Certification
Vulnerability Management
+5 more
UprootSecurity

UprootSecurity

Penetration Testing Services
Wilmington, United States 7 employees

UprootSecurity is a private cybersecurity firm specializing in penetration testing and vulnerability management via its PtaaS platform; 7 employees with 16.7% YoY growth, founded in 2024 in Wilmington, Delaware. The company focuses on reducing breach risk through compliance automation, combining technology and human expertise, and operates in categories including security, risk assessment, and attack surface management.

Penetration Testing
Code Security Scanner
Mobile Device Management
+5 more
codefend

codefend

Penetration Testing and Securi...
, United States 9 employees

Codefend is an Information Technology & Services company specializing in cybersecurity penetration testing services, including web, mobile, network, and wireless testing, as well as social engineering and source code analysis; 8 employees with 50% YoY growth; headquartered in Delaware, United States.

Penetration Testing
Vulnerability Assessment
Security Consulting
+2 more
G5 Cyber Security

G5 Cyber Security

Penetration Testing and Vulner...
Middletown, United States 4 employees

Cybersecurity company specializing in penetration testing, vulnerability scans, and cybersecurity consulting; 4 employees, founded 2019, headquartered in Middletown, Delaware, USA; focuses on small and medium businesses with services including web app assessments, network security, and vulnerability scans.

Penetration Testing
Vulnerability Assessment
IT Network Assessments
+1 more
Syn Cubes

Syn Cubes

Penetration Testing as a Servi...
Claymont, United States 4 employees

Cybersecurity company specializing in Penetration Testing as a Service (PTaaS); offers web, API, IoT, mobile, infrastructure, and cloud pentesting; founded in 2020, with $6.3M revenue, 2 employees; based in Claymont, Delaware.

Penetration Testing
Web Pentesting
API Pentesting
+5 more
Rednode

Rednode

Penetration Testing and Cybers...
Dover, United States 3 employees

Cybersecurity company specializing in computer and network security; offers penetration testing (pentest) and PTaaS services with detailed scope and retests; based in Dover, Delaware, United States, with 3 employees and experiencing -40% YoY growth.

Penetration Testing
Vulnerability Assessment
Web Application Pentesting
+5 more