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Categories · Market focus

Offensive security companies

Explore offensive security companies offering adversarial assessments, red teaming and penetration testing. Review each provider’s scope before building your shortlist.

Also browse Pentesting companies — the same company set under a related category.

155 companies. Refine by location, capabilities, or team size to find the right fit.

Name · A–Z · page 1/7

1CyberOps

MSSP / managed

Security monitoring, penetration testing, incident response and threat hunting.

Security operations Threat & vulnerability

Middlesex, US· 2–9 employees (reported) people

3WaySecure Consulting

Consultancy / pentest

Industrial cybersecurity risk assessments, penetration testing, and security program development.

Cyber-physical GRC

Vancouver, CA· 2–9 employees (reported) people

Acumenis

Consultancy / pentest

Penetration testing, vulnerability assessments, incident readiness and security governance consulting.

Threat & vulnerability Security operations

Brisbane City, AU· 2–9 employees (reported) people

Adversis

Consultancy / pentest

Penetration testing, AI red teaming, product security reviews and compliance consulting.

Application security AI security

Kalispell, US· 2–9 employees (reported) people

Affordable Pentesting

Consultancy / pentest

Network, application, cloud and wireless penetration testing services.

Application security Cloud security

Bozeman, US· 2–9 employees (reported) people

Ajnaa Consulting

Consultancy / pentest

Cloud security reviews, penetration testing, virtual CISO support and compliance consulting.

Cloud security GRC

Mumbai, IN· 2–9 employees (reported) people

AmnBAN

Consultancy / pentest

Penetration testing, red teaming and security assessment services in Tehran.

Threat & vulnerability Application security

Tehran, IR

Anansi Cyber

Consultancy / pentest

Penetration testing, adversary simulations, cloud security reviews and social engineering assessments.

Threat & vulnerability Cloud security

Chicago, US· 2–9 employees (reported) people

APT Security Management

Consultancy / pentest

Penetration testing and security assessments for networks, applications and cloud environments.

Threat & vulnerability Application security

North Charleston, US· 2–9 employees (reported) people

ArmadilCo

Consultancy / pentest

Medical device security architecture, threat modeling, SBOM management and penetration testing.

Cyber-physical Application security

Plovdiv, BG· 2–9 employees (reported) people

Armor Coded Cybersecurity

MSSP / managed

Managed cybersecurity, penetration testing and zero trust consulting alongside IT services.

Security operations Threat & vulnerability

St. Catharines, CA· 2–9 employees (reported) people

Asteros

Consultancy / pentest

Penetration testing with remediation reports for application security and compliance assessments.

Application security Threat & vulnerability

Atlanta, US· 2–9 employees (reported) people

Atlant Security

MSSP / managed

Founder-led pentest, vCISO, and compliance consulting.

GRC Application security

Sofia, BG· 1-49 people

Aurian Security

Consultancy / pentest

Network and application penetration testing, security assurance and managed security services.

Application security Threat & vulnerability

Sydney, AU· 2–9 employees (reported) people

BaseLine Cybersecurity

MSSP / managed

Penetration testing, SOC monitoring, vulnerability management and compliance consulting.

Security operations Threat & vulnerability

Sofia, BG· 2–9 employees (reported) people

Big Sky Cybersecurity

Consultancy / pentest

Penetration testing, digital forensics, incident response and ongoing network protection.

Threat & vulnerability Security operations

Billings, US· 2–9 employees (reported) people

Binary Security AS

Consultancy / pentest

Penetration testing, secure code review, and cloud security assessment.

Application security Cloud security

Oslo, NO· 2–9 employees (reported) people

Bishop Fox

Consultancy / pentest

Offensive security consultancy and Cosmos continuous pentest.

Application security Security operations

Phoenix, US· 250-499 people

BlackOps Systems

Consultancy / pentest

Penetration testing, red teaming, threat hunting and security awareness training.

Threat & vulnerability Security operations

Glendale, US· 2–9 employees (reported) people

Blue Arca

Consultancy / pentest

Penetration testing, Microsoft 365 security reviews, awareness training and dark web monitoring.

Threat & vulnerability Human risk

Central, HK· 2–9 employees (reported) people

Blue Icon IT

MSSP / managed

Managed IT security, penetration testing, vendor assessments and awareness training.

Security operations Threat & vulnerability

London, GB· 2–9 employees (reported) people

BlueRadius Cyber

Consultancy / pentest

Virtual CISO support, managed security, compliance consulting and penetration testing.

GRC Security operations

Cresson, US· 2–9 employees (reported) people

Breach Craft

Consultancy / pentest

Penetration testing, vulnerability assessments, social engineering tests and virtual CISO consulting.

Threat & vulnerability Application security

Havertown, US· 2–9 employees (reported) people

Business Data Services

MSSP / managed

Cybersecurity services, penetration testing, and security awareness training.

Threat & vulnerability Human risk

Overland Park, US· 2–9 employees (reported) people

FAQ

Why do Offensive security and Pentesting list the same companies?

These are related discovery categories in this directory. Both show the same reviewed companies, including penetration testing providers and offensive security specialists. Individual services, scope and credentials should be checked on each company profile.

Does choosing both require two category slots?

No. Selecting either category places an eligible company in both directories using one selection. Free listings choose one category; Verified and Featured listings can choose up to three distinct categories.

Can companies pay for a higher organic rank?

No. Related categories share the same organic company order. Paid promotions are labeled separately.