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Offensive Security

Creators of OSCP, Kali Linux, and Exploit-DB, offering penetration testing services from the team that trains the world's ethical hackers.

Featured in: Best Red Teaming Companies

Founded
2007
Team Size
201-500
Geography
Global
Last verified: Apr 2026

Key facts

  • Founded in 2007.
  • Headquartered in New York, New York, United States.
  • Team of 201-500 security professionals.
  • Holds OSCP Employer accreditation.
  • Delivers 8 penetration testing services.
  • Typical response time: 2-3 weeks.
  • Operates globally, with delivery across North America.
  • Specialises in Security Training, OSCP Certification, and Kali Linux.
  • Compliance expertise across PCI DSS, SOC 2, NIST CSF, ISO 27001, and HIPAA.

About

Offensive Security, now operating as OffSec, is a cybersecurity training and penetration testing company headquartered in New York City, best known as the creators of the OSCP certification, Kali Linux, and the Exploit Database. Founded in 2007, Offensive Security has shaped the penetration testing industry more than perhaps any other company through their training programs and tools that have become the de facto standards for aspiring and practicing penetration testers worldwide.

Best For

EnterpriseMid-MarketGovernment

Methodologies

OWASPPTESOSSTMM

Team Activity

Active in CTF competitions
Speaker: Black Hat
Speaker: DEF CON
Open source: Kali Linux
Open source: Exploit-DB
Open source: Google Hacking Database

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