OffSec

What it is

OffSec (Offensive Security) is a commercial cybersecurity training and certification platform from OffSec Services LLC. It combines course content, hands-on labs and proctored exams aimed at building practical offensive and defensive security skills for individuals and teams.

What it helps with

- Structured courses and certifications across penetration testing, web assessment, exploit development, SOC, threat hunting, incident response and related paths (for example PEN-200 / OSCP and other OffSec certifications listed on the site).
- Practising in hosted labs, including Proving Grounds Practice and broader Cyber Range environments described by the vendor.
- Following guided learning paths from fundamentals (CyberCore) through advanced 200- and 300-level content.
- Validating skills through remote-proctored certification exams tied to selected courses.
- Upskilling teams via Learn Enterprise library access, analytics and related organisational features.

Who it's for

Individuals pursuing hands-on cybersecurity certifications, and organisations training offensive, defensive or mixed security teams. Suitable where the main goal is learning and credentialing rather than day-to-day assessment tooling.

Worth knowing

OffSec created Kali Linux and the OSCP certification; Kali remains a separate open-source distribution and should stay a separate hackingtools.ai listing. Lab exercises are intended for OffSec’s hosted environments; using those techniques on systems you do not own or are not authorised to test is illegal. Learn Unlimited was sunset in favour of Learn Enterprise from January 2026. Listing copy summarises public product and pricing pages only and omits marketing metrics. Attribution: offsec.com pricing, courses, Learn One / Learn Enterprise pages, help centre and terms.