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Cert Atlas

OSEE

OffSec Exploitation Expert (EXP-401)

Offensive Expert OffSec
Target job title
Senior Exploit Developer
Level
Expert. Specialist or executive credentials at the top of a track.
Prerequisites
OSED-level exploit development plus Windows kernel internals.
Official page
OffSec

Recent updates

EXP-401 is delivered as live training only; the exam is a 72-hour practical.

Reviewed 2026-10-02. Confirm exam details on the official page before booking.

Where it sits in Offensive Security

  1. Entry CRTA CEH OSWP eJPT TryHackMe PT1 HackTheBox CJCA
  2. Intermediate OSCP HackTheBox CPTS CRTP OSWA CompTIA PenTest+ eCPPT TCM PNPT HackTheBox CWES CRTO BSCP GPEN CARTP
  3. Advanced CRTE OSEP OSED OSAI HackTheBox CAPE TryHackMe PT2 OSWE
  4. Expert HackTheBox COAE CRTL OSEE HackTheBox CWEE

Natural next steps: HackTheBox COAE, CRTL, HackTheBox CWEE.

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