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Find a pentest company offering Penetration Testing

5017 companies offer this service

Nimble Security, LLC

Nimble Security, LLC

Red Team Penetration Testing
Fairfax, United States 2 employees

Cybersecurity company specializing in penetration testing and Red Team activities; $11.1M annual revenue, 2 employees, founded 2013; based in Fairfax, VA, USA; offers security, web development, hosting, and technical support services.

Penetration Testing
Red Team Activities
Physical Assessments
+5 more
Total Cyber Solutions

Total Cyber Solutions

Network Penetration Testing
Fairfax, United States 29 employees

Cybersecurity company providing vulnerability assessments, penetration testing, and managed cybersecurity services; founded in 2016, with 17 employees, headquartered in Fairfax, Virginia, USA; specializes in NIST-standard assessments and cybersecurity defense.

Vulnerability Assessments
Penetration Testing
Compliance And Policy Analysis
+5 more
Rotas Security

Rotas Security

Adversarial Simulation and Pen...
Richmond, United States 15 employees

IT services and consulting company specializing in penetration testing; 8 employees with 114.3% YoY growth; based in Richmond, Virginia, with a focus on cybersecurity, network, web, wireless, and physical testing services.

Penetration Testing
Vulnerability Assessments
Red Teaming
+3 more
Strong Crypto

Strong Crypto

Penetration Testing for Critic...
Luray, United States 18 employees

Strong Crypto is a cybersecurity firm based in Luray, Virginia, specializing in penetration testing, vulnerability assessment, and advanced offensive operations; 14 employees with 20% YoY growth, founded in 2006, serving critical systems with a focus on security testing and threat intelligence.

Vulnerability Assessment
Penetration Testing
Advanced Offensive Operations
+3 more
Datassurant, Inc.

Datassurant, Inc.

Application/Network Penetratio...
Reston, United States 5 employees

Cybersecurity company specializing in information security, compliance, and penetration testing; 4 employees, $12.1M annual revenue, founded 2006, headquartered in Reston, VA; services include application and network penetration testing, PCI DSS, PA-DSS, and FISMA compliance.

PCI Compliance
PA-DSS Compliance
PCI SSF Validation
+5 more
Assura, Inc.

Assura, Inc.

Network Penetration Testing
Richmond, United States 45 employees

Cybersecurity company specializing in penetration testing, managed security services, and cyber risk assessments; 16 employees, $15M revenue, founded 2007; based in Richmond, Virginia, USA; offers vulnerability testing, social engineering, and compliance advisory to diverse industries.

Auditarmor Audit Defense
IT Disaster Recovery Solutions
Cybersecurity & Compliance Solutions
+5 more
NR Labs

NR Labs

Continuous Penetration Testing
Tysons, United States 44 employees

Cybersecurity-focused IT services and consulting company specializing in penetration testing and cyber defense; founded in 2024, with 27 employees (+63% YoY growth), headquartered in Tysons, Virginia, United States; active in federal and commercial cybersecurity contracts, with a web presence of 598 monthly visits and a global rank of #10,864,864.

Penetration Testing
Cyber Innovation
Strategic Program Evaluations
+3 more
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MindPoint Group, A Tyto Athene Company

MindPoint Group, A Tyto Athene Company

Penetration Testing and Red Te...
Reston, United States 206 employees

Cybersecurity company specializing in information security consulting, security architecture, and penetration testing; 160 employees, $25M revenue, founded 2009, headquartered in Reston, VA. Offers penetration testing, security risk assessment, incident response, and security automation services.

Cybersecurity Operations
Soc-as-a-service
MDR
+5 more
Hive Systems

Hive Systems

Penetration Testing and Web Ap...
Richmond, United States 8 employees

Hive Systems is a private cybersecurity firm founded in 2018 and based in Richmond, Virginia, with 6 employees. It specializes in delivering smarter cybersecurity solutions, including risk assessments, security operations, and expert-led penetration testing, as confirmed by dedicated service pages. The company operates in categories such as cybersecurity, CMMC, FedRAMP, SOC 2, GRC, and zero trust, with a web presence of 26,850 monthly visits and a global rank of #987,908.

Penetration Testing
Cybersecurity Assessments
Web Application Security Testing
+4 more
Strategic Security

Strategic Security

Network Penetration Testing
Alexandria, United States 152 employees

Cybersecurity company specializing in network and web application penetration testing; 25 employees with 4.1% YoY growth, $4.6M annual revenue, founded 2011, headquartered in Alexandria, VA. Provides security assessments, compliance gap analysis, and security program guidance.

Penetration Testing
Security Assessments
Regulatory Compliance Gap Analysis
+1 more
Excentium, Inc

Excentium, Inc

Network Penetration Testing
Reston, United States 51 employees

IT services and cybersecurity firm specializing in penetration testing, vulnerability assessments, and information assurance; 20 employees, $11.1M revenue, founded 2006 in Reston, Virginia; SDVOSB and FedRAMP 3PAO; provides lifecycle cybersecurity solutions with a focus on safe, compliant technology.

Penetration Testing
Security Control Assessment
Remediation Services
+5 more
Cystemic Security

Cystemic Security

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

IT Services and IT Consulting company specializing in cybersecurity, operational support, and training; offers penetration testing services; headquartered in Arlington, Virginia, with 4 employees and a monthly growth rate of -16.7%.

Penetration Testing
Cyber Security
Computer Forensics
+4 more
Hancock & Poole Security Inc.

Hancock & Poole Security Inc.

Penetration Testing
Arlington, United States 9 employees

Private information security consulting firm founded in 2011; headquartered in Arlington, Virginia; 6 employees with -18.2% YoY growth; offers penetration testing, risk management, compliance, and cloud security services; leverages government and law enforcement connections; focuses on information security and governance.

Penetration Testing
Compliance
Cloud Integration
+5 more
Direct-Defense Security Solutions

Direct-Defense Security Solutions

Enterprise Penetration Testing
King George, United States 3 employees

IT services and cybersecurity consulting company specializing in penetration testing, risk management, and incident response; 3 employees with 50% YoY growth, founded in 2020, headquartered in King George, Virginia, United States; minority-owned small business.

Consulting
Project Management
Cyber Security Governance
+5 more
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Solvere One

Solvere One

Network Penetration Testing
Sterling, United States 39 employees

IT & Services company specializing in managed IT, network security, and penetration testing; 24 employees, $4.8M revenue, founded 2008, based in Sterling, Virginia, with a focus on proactive technology management and security services. Offers explicit penetration testing including network and application assessments.

Managed IT
IT Security
Compliance
+5 more
WarCollar Industries, LLC

WarCollar Industries, LLC

Comprehensive Penetration Test...
Reston, United States 28 employees

Cybersecurity company specializing in penetration testing, cyber-attack simulations, and security assessments; 20 employees with -6.7% growth, $5M-$25M revenue, founded 2015, headquartered in Reston, VA; veteran-owned with a focus on school safety, IoT, and compliance services.

Penetration Testing
Cyber Defense
Cyber Offense
+5 more
Networking Technologies and Support, Inc.

Networking Technologies and Support, Inc.

Preventative Penetration Testi...
Midlothian, United States 276 employees

IT services and consulting company specializing in network infrastructure, cybersecurity, and penetration testing; 124 employees, $18M revenue, founded 1997, headquartered in Midlothian, VA, USA; offers penetration testing services as confirmed by website and service categories.

Penetration Testing
Cyber Security
Managed Services
+5 more
InQwest Inc

InQwest Inc

High Value Asset Penetration T...
Arlington, United States 7 employees

InQwest Inc is a private cybersecurity firm specializing in penetration testing, incident response, and security engineering; founded in 2015 with 3 employees, headquartered in Arlington, Virginia, United States, and offering specialized cybersecurity solutions.

Penetration Testing
Security Engineering
Information Assurance (fisma)
+5 more
Auspex Labs Inc.

Auspex Labs Inc.

Automated Penetration Testing
Bluemont, United States 8 employees

Auspex Labs Inc. is a cybersecurity-focused IT services and consulting company based in Bluemont, Virginia, founded in 2019; with 6 employees and a 33.3% YoY decline, it offers penetration testing, network observability, and data security services, competing with firms like SecurityScorecard and Corelight.

Penetration Testing
Software Design And Development
Network Observability
+2 more
Pendleton Solutions, LLC

Pendleton Solutions, LLC

Network Penetration Testing
Arlington, United States 14 employees

Cybersecurity consulting firm specializing in penetration testing, vulnerability assessments, and security management; 9 employees with 7.7% YoY growth; founded 2014; Arlington, VA; provides security services to government and commercial clients nationwide.

Cybersecurity
Physical Security
Program Management
+5 more
Quzara LLC

Quzara LLC

Cloud and Network Penetration ...
Vienna, United States 56 employees

Cybersecurity firm providing trusted advisory and penetration testing services; offers expert-led vulnerability assessments supporting compliance, with 39 employees, founded in 2015, headquartered in Vienna, Virginia, US. Recognized for federal compliance and cloud security expertise.

Fedramp Advisory
CMMC Advisory
Stateramp Advisory
+5 more
CyberVault Solutions

CyberVault Solutions

Network Penetration Testing
Arlington, United States 4 employees

CyberVault Solutions is a private IT services and consulting company founded in 2023, based in Arlington, Virginia, with 3 employees. It specializes in bespoke cybersecurity solutions, including advanced cybersecurity training, cloud computing, and compliance services such as CMMC Level 1 and 2. The firm provides penetration testing (40-80 hours) and emphasizes building lasting partnerships rooted in trust and measurable results.

Cybersecurity Training
Endpoint Protection
Compliance Consulting
+5 more
ioSENTRIX

ioSENTRIX

Full Stack Penetration Testing
Herndon, United States 17 employees

Cybersecurity consulting firm specializing in application security, network security, and security assessments; offers penetration testing services confirmed by dedicated web pages; 13 employees with 6.3% monthly growth; founded 2017; headquartered in Herndon, Virginia, USA.

Penetration Testing
Application Security
Network Security
+5 more
KyberStorm LLC

KyberStorm LLC

Network Penetration Testing
Ashburn, United States 3 employees

KyberStorm LLC is a cybersecurity consulting firm specializing in computer and network security and penetration testing; founded in 2019, with 2 employees, headquartered in Ashburn, Virginia, United States. The company offers services in vulnerability management, cloud security, and compliance frameworks such as FedRAMP, FISMA, and NIST 171, serving clients with a focus on improving security posture and achieving business objectives.

Strategic Cyber Security Advisory
Cloud & Regulatory Compliance
Cyber Security
+5 more
Assurit

Assurit

Comprehensive Penetration Test...
Fairfax, United States 13 employees

Cybersecurity consulting firm specializing in penetration testing, risk management, and security advisory; offers official pentest services including a 10-year Virginia contract; 7 employees; founded 2013; headquartered in Fairfax, VA.

Penetration Testing
Vulnerability Scanning And Assessments
Security Implementation And Advisory
+5 more
PatchAdvisor, Inc.

PatchAdvisor, Inc.

Network Penetration Testing
Alexandria, United States 9 employees

Cybersecurity company specializing in penetration testing, vulnerability assessments, and secure architecture reviews; 5 employees, $2.5M annual revenue, founded 2003, headquartered in Alexandria, VA. Focuses on advanced IT security services with a niche in enterprise network security.

Vulnerability Assessments
Penetration Testing
Application Vulnerability Assessments
+1 more
Network Security Services

Network Security Services

Network Penetration Testing
Arlington, United States 20 employees

IT services and cybersecurity consulting firm based in Arlington, Virginia; 5 employees, $16.6M revenue; specializes in forensic analysis, threat hunting, incident response, and penetration testing to meet NIST 800-53 CA-8 standards.

Penetration Testing
Vulnerability Scanning
Forensic And Malware Analysis
+5 more
NTRA Consulting

NTRA Consulting

Network and Application Penetr...
Arlington, United States 3 employees

IT services and consulting firm specializing in cybersecurity, penetration testing, and vulnerability assessments; 3 employees with -25% YoY growth; founded 2003; Arlington, VA.

IT Security Infrastructure Compliance
IT Security And Awareness Training
Web Application Security
+5 more
Cloud Security Partners

Cloud Security Partners

Cloud and Application Penetrat...
Reston, United States 12 employees

IT Services and IT Consulting company specializing in cloud and application security; provides penetration testing, security assessments, secure code review, and threat modeling; 9 employees, founded 2017, headquartered in Reston, VA, with 20% YoY growth.

Penetration Testing
Cloud Security Assessments
Cloud Program Development
+5 more
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Secure Consulting Solutions LLC

Secure Consulting Solutions LLC

Network Penetration Testing
Alexandria, United States 3 employees

Cybersecurity company specializing in penetration testing, web security, and AI security solutions; 2 employees with 50% YoY growth; founded 2014; headquartered in Alexandria, VA; offers full lifecycle security and advisory services.

Penetration Testing
Security Assessments
Security Audits (hipaa
+5 more
Immauss Cybersecurity

Immauss Cybersecurity

Tysons Corner, United States 2 employees

Immauss Cybersecurity is a private IT services and consulting company specializing in cybersecurity solutions for small to mid-sized businesses; it provides security auditing, penetration testing, and compliance support, with a focus on innovative, friendly reporting. The firm has 2 employees, was founded in 2015, and is headquartered in Tysons Corner, Virginia, USA.

Security Auditing
Penetration Testing
Virtual CISO Services
+4 more
C3 Integrated Solutions

C3 Integrated Solutions

Comprehensive Penetration Test...
Arlington, United States 121 employees

IT services and cybersecurity company specializing in defense cybersecurity and compliance; offers penetration testing services including Web Application Pen Testing, Internal Penetration Testing, and External Penetration Testing; 85 employees (+11% YoY growth), $11.2M revenue; headquartered in Arlington, Virginia, founded 2008.

CMMC Solutions
Managed IT And Cybersecurity Services
Microsoft GCC And GCC High Deployment
+5 more
Digital Warfare Corp

Digital Warfare Corp

Network Penetration Testing
McLean, United States 7 employees

Cybersecurity-focused IT services and consulting firm based in McLean, Virginia; provides penetration testing, security assessments, and cyber defense services with a team of expert analysts. Founded in 2012, employs 6 staff, with a global market presence and active social media engagement.

Penetration Testing
Network Penetration Testing
Web Application Penetration Testing
+5 more
Digital Operatives LLC

Digital Operatives LLC

Network and Systems Penetratio...
Arlington, United States 11 employees

Cybersecurity company specializing in penetration testing; evaluates networks and systems for vulnerabilities and attack detection; $23M annual revenue, 4 employees, founded 2005, Arlington, Virginia.

Penetration Testing
Vulnerability Assessment
Security Consulting
+2 more
phia, LLC

phia, LLC

Intelligence-Driven Penetratio...
Fairfax, United States 30 employees

phia, LLC is a private cybersecurity firm specializing in penetration testing, cyber assessments, and cyber operations; with 16 employees, founded in 2011, headquartered in Fairfax, Virginia. The company explicitly offers pentest services, red teaming, incident response, and forensic analysis, and maintains a strong reputation with a 4.9/5 employer rating. It has a modest web presence with 2,070 monthly visits and competes in a niche market.

Penetration Testing
Red Teaming
Cyber Assessments
+5 more
Coalfire Federal

Coalfire Federal

FedRAMP and CMMC Compliance Pe...
Chantilly, United States 86 employees

Cybersecurity company specializing in federal and private sector cybersecurity advisory, assessment, and penetration testing; 51 employees with 6.2% YoY growth; based in Chantilly, Virginia, providing FedRAMP ATO and federal cybersecurity services.

Cybersecurity Services
CMMC Advisory And Assessment Services
Fedramp And FISMA ATO Services
+5 more
BreakPoint Labs

BreakPoint Labs

Network and System Penetration...
Falls Church, United States 62 employees

BreakPoint Labs is a private cybersecurity firm based in Falls Church, Virginia, founded in 2015, with 40 employees and 5.1% annual growth. It specializes in national security, cyber risk management, and attack mitigation, with a focus on penetration testing services, including AI-enabled systems. The company has a web presence with 2,551 monthly visits, a global rank of #6,339,266, and recent notable contracts and certifications that reinforce its market position in cybersecurity.

Cybersecurity Assessments
Cyber Red Teaming & Threat Emulation
Penetration Testing
+5 more
Digital Defenders Inc

Digital Defenders Inc

Messaging Infrastructure Penet...
Reston, United States 3 employees

Computer and network security company specializing in messaging infrastructures, business continuity, disaster planning, and security audits; provides penetration testing services; 3 employees; $9.5M annual revenue; headquartered in Reston, Virginia, United States.

Penetration Testing
Vulnerability Assessments
Security Audits
+5 more
Veros Technologies, LLC

Veros Technologies, LLC

Network Penetration Testing
Reston, United States 43 employees

Cybersecurity-focused IT & Services company providing penetration testing, systems and network engineering, and technical consulting; 28 employees with +2.4% YoY growth; founded 2013; headquartered in Reston, Virginia, USA.

Cyber Security
Penetration Testing
Computer Network Operations
+5 more
Keiter CPAs

Keiter CPAs

Network Penetration Testing
Glen Allen, United States 214 employees

Keiter CPAs is a Virginia-based accounting firm with 157 employees and $17.6M revenue, founded in 1978. They offer tax, consulting, advisory, valuation, forensic investigation, and cybersecurity services, including network penetration testing for Seattle and Washington businesses; 4.5/5 employer rating from 83 reviews.

Tax Services
Audit & Assurance
Valuation & Forensic Services
+4 more
DNC CORP

DNC CORP

Cloud and ICS SCADA Penetratio...
Alexandria, United States 51 employees

Cybersecurity company specializing in assessments, penetration testing, and ICS SCADA; 12 employees with 200% YoY growth; $18.8M revenue; founded 2003; Alexandria, VA. Known for niche cybersecurity expertise and serving Fortune 500 and government clients.

Penetration Testing
Compliance-based Assessments (nist
NERC
+5 more
Neovera

Neovera

Application and Network Penetr...
Reston, United States 96 employees

Neovera is a private IT services and consulting company specializing in cybersecurity, cloud solutions, and infrastructure, with a dedicated Red Team for penetration testing and AI fraud testing. It employs 68 staff, has 81.1% YoY growth, and generates $10M in revenue; founded in 2001 and based in Reston, Virginia.

Penetration Testing
Vulnerability Assessment
Vulnerability Management Program
+5 more
Legion X

Legion X

Embedded and Operational Techn...
Arlington, United States 4 employees

Cybersecurity company specializing in penetration testing and custom cyber solutions; founded in 2023 with 3 employees in Arlington, Virginia; offers applied research, prototyping, and engineering services in cybersecurity; maintains a web presence with 1,591 monthly visits and ranked #7,102,171 globally.

Vulnerability Research
Firmware Reverse Engineering
Software Reverse Engineering
+5 more
URU Security

URU Security

Advanced Threat Simulation Pen...
Vienna, United States 2 employees

IT security consultancy specializing in security assessments, vulnerability management, penetration testing, and social engineering; provides custom security solutions with a focus on knowledgeable professionals; 2 employees; founded 2015; headquartered in Vienna, Virginia, USA.

Security Assessments
Security Programs
CISO Services
+1 more
Michael Deeley

Michael Deeley

Mission-Critical Systems Penet...
Fairfax, United States 4 employees

Mission-oriented engineering services company specializing in penetration testing, agile software development, and devops; supports complex system transitions with 4 employees, headquartered in Fairfax, Virginia, since 2014.

Penetration Testing
Agile Software Development
Devops
+4 more
Interdefense Inc

Interdefense Inc

Web Application Penetration Te...
Virginia 50 employees

Cybersecurity company headquartered in Ashburn, Virginia, specializing in AI-driven solutions and penetration testing; offers vulnerability management, cybersecurity services, and AI applications for business challenges. Supports its expertise with explicit pentest services listed on staff augmentation pages.

Artificial Intelligence
Cyber Security
Staff Augmentation
+2 more
MBL Technologies Inc.

MBL Technologies Inc.

Penetration Testing
Arlington, United States 41 employees

Cybersecurity and digital solutions provider specializing in penetration testing; 28 employees, $15.9M revenue, founded 2007, Arlington, VA; veteran-owned SDVOSB with a focus on federal, civilian, and commercial markets. Recognized for tailored security services and digital solutions, with a global rank of #6,514,625 and local rank of #195,5732.

Digital Solutions
Network/systems Engineering
Devsecops
+5 more
CybertLabs

CybertLabs

Network Penetration Testing
Virginia 7 employees

Cybersecurity company providing compliance-focused services including managed security, penetration testing, and cloud protection; headquartered in Ashburn, Virginia, with verified presence in multiple authoritative sources.

Managed Security
Penetration Testing
Cloud Protection
+5 more
OI

Opacc, Inc.

Cyber-Physical Penetration Tes...
Virginia 4 employees

Virginia-based strategic advisory, cyber operations, and private security firm supporting government and private clients; offers penetration testing services as part of their cybersecurity offerings; headquartered in Tysons Corner, VA.

Strategic Advisory
Cyber Operations
Private Security Services
+5 more
Fortreum

Fortreum

API Penetration Testing
Virginia 116 employees

Cybersecurity company headquartered in Lansdowne, Virginia, providing penetration testing and offensive security services; employs specialized pentesters and red team leads, with explicit government procurement listings for penetration testing services.

Penetration Testing
API Penetration Testing
Red Team Services
+5 more
Sphinx Solutions Inc.

Sphinx Solutions Inc.

Security Configuration and Com...
Virginia 35 employees

Cybersecurity company based in Herndon, VA; specializes in vulnerability assessment and penetration testing services, with a focus on security testing, vulnerability assessments, and security configuration audits.

Penetration Testing
Vulnerability Assessment
Security Testing
+4 more
Vaultes

Vaultes

Compliance-Focused Penetration...
Virginia 20 employees

Cybersecurity firm headquartered in Ashburn, Virginia, providing penetration testing, vulnerability scans, and continuous threat monitoring; offers FedRAMP assessments and security consulting for federal and commercial clients.

Penetration Testing
Vulnerability Scans
Continuous Threat Monitoring
+5 more
Triple Point Security

Triple Point Security

Cloud Security Penetration Tes...
Virginia 55 employees

Cybersecurity company specializing in penetration testing services; headquartered in Leesburg, Virginia, with verified address at 161 Fort Evans Rd NE Suite 325, Leesburg, VA 20176.

Penetration Testing
Cloud Computing Security
System Development
+3 more
R&K Cyber Solutions

R&K Cyber Solutions

Vulnerability Management
Manassas, United States 11 employees

Cybersecurity company specializing in computer and network security; with 2 employees, $4.5M annual revenue, founded in 2010, headquartered in Manassas, Virginia, United States. R&K Cyber Solutions LLC is an award-winning provider of Computer Network Defense (CND) services, including penetration testing, cybersecurity operations, malware analysis, and secure architecture design. They excel at threat detection and eliminating intruders, competing with firms like Optiv and Rapid7, and hold a significant market presence.

Cyber Operations
Cleanroom Software Engineering
Research Development Test And Evaluation (rdt&e)
+2 more
RenXTech

RenXTech

Network Penetration Testing
Haymarket, United States 71 employees

Cybersecurity company specializing in penetration testing, network defense, and technical analysis; 42 employees, $4M revenue, founded 2014, headquartered in Haymarket, Virginia, with 9.2% YoY growth and recognized for supporting critical national security missions.

Technical Targeting & Analysis
Vulnerability Assessments
Data Science/data Analytics
+5 more
Cyber Defense Technologies

Cyber Defense Technologies

Advanced Penetration Testing
Virginia 36 employees

Cyber Defense Technologies is a cybersecurity company specializing in penetration testing and security assessments; headquartered in Dulles, Virginia, with active penetration testing and attack simulation services.

Penetration Testing
Security Assessment Services
Security Engineering
+5 more
Digital Global Connectors, Llc (dgc)

Digital Global Connectors, Llc (dgc)

Offensive Security Penetration...
Virginia 22 employees

Cybersecurity company headquartered in McLean, Virginia; specializes in penetration testing services applying offensive security tactics, with verified office location at 1775 Tysons Blvd, McLean, VA 22102-4285.

Security Engineering & Architecture Design
Governance Risk & Compliance
Cloud Security
+5 more
Systegra, Inc.

Systegra, Inc.

Penetration Testing with Activ...
Virginia 22 employees

Cybersecurity company based in Leesburg, Virginia; specializes in penetration testing and vulnerability assessments with active exploitation services; founded with a focus on risk mitigation and cost-effective security strategies.

Penetration Testing
Vulnerability Assessments
Risk Mitigation Strategy Development
+1 more
XBOSoft

XBOSoft

Application Penetration Testin...
Reston, United States 59 employees

XBOSoft is a private software testing and quality management company based in Reston, Virginia, with 22 employees and $15M annual revenue. It specializes in mobile and web application testing, offering AI-driven testing solutions that accelerate release cycles and enhance quality; explicitly provides penetration testing services to uncover vulnerabilities through simulated real-world attacks.

Software Testing
Consulting
Thought Leadership
+5 more
Resonance CyberSentinel (SlyTech LLC)

Resonance CyberSentinel (SlyTech LLC)

Comprehensive Penetration Test...
Alington, United States 4 employees

Resonance CyberSentinel (SlyTech LLC) is a private cybersecurity firm based in Arlington, Virginia, founded in 2024, with 3 employees. The company provides penetration testing, auditing, compliance, custom security solutions, and 24/7 support services to help organizations secure mission-critical assets and data. It specializes in vulnerability assessment, ethical hacking, red teaming, purple teaming, and security compliance, with recent activity including news updates and social media engagement.

Penetration Testing
Vulnerability Scanning
Auditing And Compliance
+4 more
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Booz Allen Hamilton

Booz Allen Hamilton

Government and Network Penetra...
McLean, United States 37447 employees

IT services and consulting company specializing in national security, defense, and civil missions; 24,665 employees, $11.7B annual revenue, headquartered in McLean, VA; provides penetration testing services with CREST accreditation, and has secured $3.4B in total funding.

Penetration Testing
Cybersecurity Consulting
Red Teaming
+5 more
ClearFocus Technologies

ClearFocus Technologies

Industrial Control Systems (IC...
Virginia 51 employees

Cybersecurity company providing penetration testing and red team assessments; headquartered in Leesburg, Virginia, with verified office at 305 Harrison St SE Ste 100B, Leesburg, VA 20175.

Security Engineering
Cyber Analytics
Security Operations
+5 more
Disruptive Solutions, LLC

Disruptive Solutions, LLC

Vulnerability Exploitation Pen...
Virginia 24 employees

Cybersecurity company based in Sterling, VA; provides penetration testing services including vulnerability exploitation using automated and manual techniques, supporting black-box, white-box, and grey-box testing.

Penetration Testing
Vulnerability Exploitation
SOC As A Service (socaas)
+5 more
Pacific Cyber Solutions

Pacific Cyber Solutions

Internal and External Penetrat...
Virginia 5 employees

Cybersecurity company based in Fairfax, Virginia; specializes in internal and external penetration testing and threat simulations; actively provides cybersecurity assessment services.

Penetration Testing
Vulnerability And Risk Assessments
Incident Response And Recovery Planning
+5 more
Obscurity Labs

Obscurity Labs

Mobile Pentesting
Virginia 16 employees

Cybersecurity company specializing in software solutions, engineering, and data science; headquartered in Ashburn, Virginia, USA; offers penetration testing, mobile pentesting, and cybersecurity services as confirmed by their website and federal contracts.

Penetration Testing
Mobile Pentesting
Cybersecurity Services
+5 more
Tailored Technology Solutions

Tailored Technology Solutions

Network Penetration Testing
Arlington, United States 7 employees

IT services and consulting company specializing in information security; 7 employees with 40% YoY growth; headquartered in Arlington, Virginia; offers penetration testing, incident response, security architecture, and training services.

Network & System Assessments
Gap Analysis
Penetration Testing
+5 more
The Enterprise Security Consultants

The Enterprise Security Consultants

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

Cybersecurity and network security firm providing penetration testing and IT professional services; 4 employees, founded 2018, Arlington, VA; 8(a) Woman-Owned Small Business; specializes in cybersecurity, risk management, and consulting.

Advisory And Consulting
Assessment And Compliance
Penetration Testing
+5 more
Itfrastructure, Inc.

Itfrastructure, Inc.

Network and System Penetration...
Virginia 6 employees

Cybersecurity and IT infrastructure company based in Fairfax, Virginia; specializes in penetration testing services with government and enterprise clients, including the Department of Defense and U.S. Agency for Global Media.

Penetration Testing
Cybersecurity
Compliance Assessment
+5 more
Aerstone

Aerstone

Comprehensive Penetration Test...
Virginia 13 employees

Cybersecurity firm headquartered in Springfield, Virginia; specializes in penetration testing services including Penetration Testing as a Service with ongoing testing and remediation capabilities.

Penetration Testing
Vulnerability Management
Cybersecurity Roadmapping
+5 more
Earthling Security

Earthling Security

FedRAMP Cloud Security Penetra...
Reston, United States 17 employees

Earthling Security is a private technology and security firm specializing in managed compliance services for FedRAMP, CMMC, and cloud security, with expertise in penetration testing and security assessments; 6 employees; founded 2012; Reston, VA.

Fedramp Compliance And Advisory
CMMC Compliance And Advisory
Compliance-as-a-service (caas)
+5 more
TrustedQA, Inc.

TrustedQA, Inc.

Government Enterprise Penetrat...
Reston, United States 90 employees

TrustedQA, Inc. is a private software development firm specializing in software quality engineering and security testing, including penetration testing services for government and commercial clients; 73 employees (+28.6% YoY growth), $21.6M annual revenue, founded 1988, headquartered in Reston, Virginia.

Test Automation
Security Testing & Training (vulnerability Testing
Penetration Testing
+5 more
Dominion Security Partners

Dominion Security Partners

Real-World Attack Simulation
Virginia 8 employees

Cybersecurity consulting firm headquartered in Richmond, Virginia; offers penetration testing services including real-world attack simulations; focuses on reducing risk and increasing operational efficiency for IT security teams.

Cybersecurity Consulting
Penetration Testing
Real-world Attack Simulations
+5 more
Capital Cyber

Capital Cyber

Active Penetration Testing
Virginia 2 employees

Cybersecurity service provider based in Leesburg, Virginia; specializes in managed cybersecurity services including penetration testing and cyber scoring; offers active penetration testing services with a dedicated webpage; founded and operates in the United States.

Managed Cybersecurity Services
Managed Vulnerability Assessment
Managed Compliance Services
+5 more
SecureIT

SecureIT

Web Application Security
Virginia 44 employees

Cybersecurity firm headquartered in Reston, VA, providing penetration testing, security assessments, and compliance advisory; offers active exploitation and simulated cyberattack services to enhance client security posture.

Penetration Testing
Compliance Advisory
Audit & Assessment
+3 more
Roka Security, LLC

Roka Security, LLC

Network and Wireless Penetrati...
Virginia 24 employees

Cybersecurity firm specializing in managed security services and penetration testing; headquartered in Herndon, Virginia, with explicit offerings in network and wireless penetration testing, ethical hacking, and vulnerability assessments. The company provides detailed reports and security consulting.

Vulnerability Assessment
Intrusion Detection
Vulnerability Scanning
+3 more
Lunarline, Inc.

Lunarline, Inc.

Comprehensive Penetration Test...
Virginia 111 employees

Cybersecurity firm headquartered in Ashburn, Virginia; specializes in penetration testing services covering web, mobile, network, wireless, and social engineering assessments; provides detailed testing approaches and post-test remediation support.

Penetration Testing
Cybersecurity Engineering
Governance Risk And Compliance
+5 more
Crest Security Assurance

Crest Security Assurance

Enterprise Penetration Testing
Woodbridge, United States 24 employees

Cybersecurity firm specializing in penetration testing, vulnerability assessments, and security auditing; 11 employees with 14.3% YoY growth; founded 2009; headquartered in Woodbridge, VA, USA; active in security testing and risk management.

Penetration Testing
Vulnerability Assessment
Red Team Operations
+5 more
Sysnet Technologies, Inc.

Sysnet Technologies, Inc.

Critical Infrastructure Penetr...
Virginia 193 employees

Cybersecurity company specializing in penetration testing and security assessments; headquartered in Oakton, Virginia, United States; provides active vulnerability testing services.

Penetration Testing
Security Assessment
Continuous Monitoring
+5 more
Capital Techies

Capital Techies

Network Penetration Testing
Virginia 11 employees

Virginia-based IT support and managed IT services provider; offers penetration testing and security assessments; headquartered in Fairfax, VA; trusted for fast support and security expertise.

Managed IT Services
Cybersecurity
Penetration Testing
+5 more
Conscious Networks

Conscious Networks

Network Penetration Testing
Virginia 47 employees

Managed IT services provider based in Vienna, Virginia; offers holistic technology support, including Help Desk, hardware/software support, procurement, and implementation. Provides penetration testing and cybersecurity risk assessments, emphasizing active testing and real-world attack simulations.

Managed IT Services
Help Desk Support
Hardware And Software Support
+5 more
Data Pulse Tech

Data Pulse Tech

Network and Application Penetr...
Virginia 2 employees

Cybersecurity firm based in Ashburn, Virginia, specializing in penetration testing and vulnerability research; offers comprehensive security assessments for networks, applications, and systems.

Software Development
System Administration
Vulnerability Research
+4 more
Envescent Cybersecurity

Envescent Cybersecurity

Penetration Testing
Arlington, United States 1 employees

Envescent Cybersecurity is a private cybersecurity and IT consulting company founded in 1999, based in Arlington, Virginia, with 1 employee; specializes in cybersecurity audits, penetration testing, machine learning, data analytics, automation, and IT services to mitigate cyber risks; provides active penetration testing services as a core capability.

Cybersecurity Assessments
Incident Response
Cybersecurity Compliance
+5 more
Grey Wolf Security

Grey Wolf Security

Application and Network Penetr...
Virginia 5 employees

Cybersecurity company based in Alexandria, Virginia; specializes in penetration testing, security consulting, and vulnerability assessments with a focus on testing applications, networks, and systems for security weaknesses.

Penetration Testing
Security Consulting
Vulnerability Assessment
+3 more
The Dalton Gang, Incorporated

The Dalton Gang, Incorporated

Network and System Penetration...
Virginia 7 employees

Cybersecurity firm specializing in penetration testing services; headquartered in Warrenton, VA, United States; actively performs federal government penetration testing projects for agencies such as USDA Forest Service and GSA OIG.

Penetration Testing
Risk Assessments
Compliance Reviews
+4 more
SecureNinja Cybersecurity Training & Services

SecureNinja Cybersecurity Training & Services

Comprehensive Penetration Test...
Alexandria, United States 14 employees

IT services and consulting company specializing in cybersecurity training, certifications, and security assessments; 8 employees, $15M revenue, founded 2003; headquartered in Alexandria, VA, USA; provides penetration testing services as confirmed by dedicated service pages.

Cybersecurity Training
Cybersecurity Certifications
Consulting Services
+5 more
Dark Wolf

Dark Wolf

Offensive Cyber Penetration Te...
Herndon, United States 348 employees

IT Services and IT Consulting company specializing in federal domain expertise and emerging technologies; 244 employees with 16.4% YoY growth; headquartered in Herndon, Virginia, USA; offers penetration testing, intelligence services, software development, and cyber operations.

Devsecops Agile Software Development
Information Operations
Penetration Testing
+5 more
SpecterOps

SpecterOps

Identity and Active Directory ...
Alexandria, United States 269 employees

Cybersecurity company specializing in adversary tradecraft, identity attack path management, and penetration testing; 196 employees with 87.5% YoY growth; founded 2017; headquartered in Alexandria, Virginia, USA; $108.5M in funding; known for BloodHound and active attack path management services.

Penetration Testing
Offensive Services
Red Team Engagements
+3 more
Foxhole Technology

Foxhole Technology

Penetration Testing
Herndon, United States 122 employees

Private IT & Services company based in Herndon, Virginia, founded in 2007; 83 employees, $22.5M revenue; specializes in cybersecurity, systems, and network engineering, with active penetration testing services aligned with NIST 800-53 and RMF, serving mission-critical needs.

Cybersecurity Engineering
Software Development
Systems Engineering
+5 more
Reston Consulting Group, Inc.

Reston Consulting Group, Inc.

Network Penetration Testing
Herndon, United States 84 employees

Reston Consulting Group, Inc. is a private IT services and consulting company based in Herndon, Virginia, with 50 employees and $9.6M annual revenue. Founded in 1987, it specializes in network design, engineering, security, and infrastructure modernization, with over 35 years supporting large enterprises. The firm provides penetration testing services, active vulnerability exploitation, and attack simulation as part of its cybersecurity portfolio. It has a modest web presence with 3,271 monthly visits and a global rank of #4,985,319, and a 4.2/5 employer rating based on 12 reviews.

Network Design
Engineering
Integration
+5 more
Dignari

Dignari

Digital Identity and Access Ma...
Alexandria, United States 117 employees

Dignari is a Virginia-based private IT Services and IT Consulting firm with 55 employees and $12.5M revenue, founded in 2013. It offers emerging technology solutions, data science, analytics, and human-centered design, with a focus on security services including penetration testing; acquired by EY in 2024, it operates in sectors such as homeland security, biometrics, IoT, and risk analysis.

Program Strategy And Execution
Human-centered Design
Emerging Technology Integration
+3 more
K2 Consulting Solutions LLC

K2 Consulting Solutions LLC

Compliance-Focused Penetration...
Virginia Beach, United States 2 employees

Virginia-based private consulting firm founded in 2017; 2 employees; specializes in compliance, cybersecurity, and penetration testing services for defense industrial base organizations; actively engaged in social media and cybersecurity activities.

Cybersecurity Compliance Advisory
Comprehensive Assessment Services
Documentation Strategy
+3 more
IP Network Solutions

IP Network Solutions

Network Penetration Testing
Herndon, United States 30 employees

IT services and consulting company specializing in federal cybersecurity; 20 employees, $9.6M revenue, founded 2003, headquartered in Herndon, VA. Certified in ISO 27000, 9000, 20000, CMMI Level 3, and GSA-certified for Highly Adaptive Cybersecurity Services (HACS). Provides advanced IT systems, network design, software development, cybersecurity, and penetration testing services to Civilian, Defense, and Intelligence agencies.

Penetration Testing
Cybersecurity Assurance
IT Managed Services
+5 more
Athena Technology Group

Athena Technology Group

Network Penetration Testing
Herndon, United States 57 employees

IT services and consulting company specializing in cybersecurity and program management; 31 employees with 14% YoY growth; based in Herndon, Virginia, founded in 2010; provides penetration testing services and cybersecurity solutions, recognized by GSA for Highly Adaptive Cybersecurity Services.

Penetration Testing
Vulnerability Assessment
Cybersecurity Operations
+5 more
Iron Bow Technologies

Iron Bow Technologies

Network Penetration Testing
Herndon, United States 911 employees

IT services and consulting company headquartered in Herndon, Virginia, with 603 employees and $872.1M revenue; specializes in digital transformation, cybersecurity, and IT modernization for government, healthcare, and commercial sectors; provides penetration testing services and has received industry awards.

Penetration Testing
Networking
Collaboration & Workspace Innovations
+3 more
Invictus International Consulting, LLC

Invictus International Consulting, LLC

National Security Penetration ...
Alexandria, United States 232 employees

Defense and space manufacturing company specializing in cyber and national security solutions; 157 employees with 18.4% YoY growth, $33M annual revenue, founded in 2014 in Alexandria, VA. Provides enterprise engineering, operations, and cybersecurity services including penetration testing and red team assessments; expanding in Colorado Springs with up to 130 new jobs.

Penetration Testing
Red Teaming
Cyber Threat Vulnerability Assessments
+5 more
FortiGenix

FortiGenix

Penetration Testing & Vulnerab...
Richmond, United States 4 employees

FortiGenix is a private IT services and cybersecurity consulting company founded in 2024, based in Richmond, Virginia, with 2 employees; specializes in penetration testing, cloud security, compliance, and incident response, offering tailored, results-driven security solutions for data protection and risk mitigation.

Penetration Testing
Vulnerability Assessment
Cloud Security
+5 more
Forgepath

Forgepath

Network Penetration Testing
Norfolk, United States 6 employees

Forgepath is a cybersecurity and IT services provider based in Norfolk, Virginia, USA; founded in 2022 with 6 employees and 50% annual growth. The company offers penetration testing, network and application security assessments, and digital forensics, actively simulating real-world attacks to identify vulnerabilities and strengthen defenses for SMBs and Fortune 1000 clients.

Penetration Testing
Offensive Security Testing
IT Security Operations
+5 more
Yemane Services LLC

Yemane Services LLC

Penetration Testing
Virginia

Cybersecurity consulting firm based in Fairfax, Virginia, specializing in penetration testing, digital forensics, incident response, vulnerability assessments, breach assessments, and security engineering; known for experienced cybersecurity consultants and broad security expertise.

Penetration Testing
Social Engineering Assessment
Vulnerability Assessment
+5 more
Zvolvant Solutions

Zvolvant Solutions

Penetration Testing with NIST ...
Vienna, United States 14 employees

IT services and consulting company specializing in cybersecurity, cloud management, and data analytics; 9 employees with 100% YoY growth; based in Vienna, Virginia, USA; SBA 8(a) certified; provides penetration testing services as part of its cybersecurity offerings.

Cyber Security
Penetration Testing
Infrastructure And Cloud Management
+5 more
Affinitas Technology Solutions

Affinitas Technology Solutions

Vulnerability Assessment and P...
Charlottesville, United States 2 employees

IT services and consulting company specializing in cybersecurity; provides penetration testing and vulnerability assessments with active testing capabilities; based in Charlottesville, Virginia, founded in 2018, with 2 employees.

Virtual CISO
Virtual CIO
Virtual CTO
+5 more