ExpertVendor-neutralOffSec· issued from US

OSEE

Offensive Security Exploitation Expert

Offensive Security Exploitation Expert

Exam fee
$5,499
Ongoing
$0/yr AMF
Study time
400–800 hrs
Delivery
Online proctored
Validity
3 yrs (renewal cycle)

› Quality score

29.5 / 40

Four-axis SecProve rubric, each 0–10. SecProve editorial assessment — each axis carries a written justification so you can push back on any single call without dismissing the whole score.

Blueprint rigor
How well-defined and rigorous the exam blueprint is.
EXP-401 syllabus is granular: shellcode, kernel, advanced Windows internals.
8.5/10
Practical evidence
Hands-on labs / written reports vs pure MCQ.
71h45m fully practical exam against Advanced Windows Exploitation targets — the hardest hands-on cert in the catalogue.
9.5/10
Currency & upkeep
How aggressively content is kept current with the field.
Refresh cadence is irregular; last meaningful update lags the field.
5.5/10
Market recognition
How often this signal actually moves a hiring decision.
Niche but revered in exploit-dev / kernel-research circles; ceiling on commercial pentesting recognition. [Holders: 200, 2024-12]
6.0/10

› Market signals

public, citable inputs to the recognition score
Holders worldwide
200
as of 2024-12 · source

Hardest OffSec exam — fewer than 250 holders.

› Built for these roles

Senior Security EngineerPenetration Tester (experienced)Incident Responder (Lead)Security ArchitectSOC Lead / Red Team Lead

› Exam format

Practical: 71 hours 45 min hands-on exam (Advanced Windows Exploitation) + report. Proctored. Hardest OffSec exam.

Passing score
Lab points-based (typically 60+/100 with report)
Retake policy
Fee: $249 per attempt
Wait: 0d between attempts

Retake voucher $249 separately. No wait period beyond exam scheduling availability.

› Recertification

Valid indefinitely. No renewal required.

› NICE Framework work roles

The NIST NICE work-role IDs this cert maps to. NICCS lookup.

PD-WRL-007
Recognition
Global
Exam languages
en

› Core domains covered

The 3 domains this cert is centrally about. Passing the exam demonstrates working knowledge of each.

› Prerequisites

Experience

No formal prerequisites. EXP-401 course (live training, approx. 5,499 USD). Expertise in exploit dev and reverse engineering required.

› Progression

requiredrecommended

Where this cert fits in the typical learning path. Required edges are vendor-gated; recommended edges reflect de facto industry progression.

Required prereqs (0)

No vendor-gated prereqs.

Recommended priors (1)
OSEE
OffSec
Required by (0)

No certs require this one.

Recommended next (0)

No follow-on certs reference this one yet.

› Study materials

Curated starting points. Not exhaustive — vet each against your learning style and the current exam version.

Practice tests
  • OffSec Proving Grounds Practice
Free / community

› Version & lifecycle

Current version
EXP-401 (2023)
Released
2023-09

OffSec's most demanding exam. Often pursued after OSED.

› Salary signal

Senior vulnerability researcher / advanced exploit developer, US, 7+ years. Very rare credential.

$160K$260K
median $200K

Robert Half Salary Guide + community salary surveys · 2024 · US base only · p25–p75 range

› How it compares

vs
OSED

OSED is user-mode Windows exploit dev; OSEE is the deepest single-domain advanced exam, kernel + bypass focus.

↔ Compare side-by-side
vs
GXPN

OSEE is laser-focused Windows exploit dev; GXPN is broader pentest + exploit-writing methodology.

↔ Compare side-by-side

› Careers that commonly pursue this cert

Malware Reverse Engineer

Dissect malicious software to understand capabilities, extract indicators, and produce attribution. A specialist role that powers threat intelligence, detection engineering, and advanced IR.

See this cert’s domains highlighted on the interactive map, or compare it against the rest of the catalog.