Offensive Security

Offensive Security, now branded OffSec, provides cybersecurity training and certifications for individuals and organisations. It was created by the founders of Kali Linux and continues to fund that penetration testing operating system.

What Offensive Security offers

• Courses and certifications — practical exams including OSCP, with courses in penetration testing, web security and exploit development.
• Live labs — purpose-built environments for practising attacks and defences.
• Learning library — a subscription covering courses, labs and content.
• Learning paths — guided routes from fundamentals to advanced topics.
• Enterprise cyber ranges — dedicated environments shaped to a company's own technology.

Who it works with

It serves individual security professionals as well as teams and larger organisations.

Key facts

• Open source: funds and grows Kali Linux
• Course codes: include PEN-200, WEB-200, SOC-200 and EXP-301