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OffSec · Cybersecurity

OSEP

Advanced penetration-testing techniques for getting past defences and moving through complex environments.

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Understand the subject

Advanced penetration-testing techniques for getting past defences and moving through complex environments.

Apply it to the work

Useful on authorised engagements where familiar exploitation paths fail and you must adapt while keeping actions within scope.

Build practical evidence

Have a strong practical testing foundation and be comfortable adapting code. Learn to explain why a technique failed before trying another one.

What you will learn to do

Understand the subject

Advanced penetration-testing techniques for getting past defences and moving through complex environments.

Apply it to the work

Useful on authorised engagements where familiar exploitation paths fail and you must adapt while keeping actions within scope.

Build practical evidence

Have a strong practical testing foundation and be comfortable adapting code. Learn to explain why a technique failed before trying another one.

Certification essentials

Requirements, costs and keeping it current.

Check the vendor record and ongoing commitment alongside the career guidance.

Pricing view
Market

Vendor record

Live

OffSec offers OSEP through PEN-300 for advanced penetration testing. Its current page says this certification does not expire.

Source: OffSec · Read 19 September 2026

Sourced fields only; this does not mean every exam detail has been verified. Pricing and renewal policies have their own sources and check dates. Confirm the currency, tax and final booking total with the vendor.

Role-fit guidance is TechWaymark editorial interpretation. It is separate from the recorded vendor facts and does not measure hiring outcomes.

Costs and renewal

Exam cost
US$1,749 course + certification
Exam format
Exam format not yet verified — check the vendor's exam page
Keeping it current

The earned credential does not expire; no periodic recertification is required to retain it.

Renewal sources & exceptions

OffSec does not require AMF or AMP payments to retain a non-expiring certification.

Renewal policy checked 2026-09-28. Check the linked provider policy for current fees and eligibility.

OffSec Course & Certification bundle for PEN-300. This includes training rather than a standalone exam. Check the access window, attempt allowance and tax at checkout. Vendor price checked 2026-09-24. Check the vendor record before booking.

Current vendor pricing source ↗
Preparation and practical skills

Recommended prior knowledge

  • OSCP or equivalent

Common misconceptions

  • OSEP may meet a named requirement; it does not guarantee shortlisting or replace documented work.

What this cert does NOT guarantee

  • Guaranteed interviews, a salary increase or proof of production experience.
Alternatives and related certifications

Where this fits

  • None required
This cert
OSEP
  • Top of this lane

Alternative routes

No single right path. These adjacent options reach similar roles.

  • CRTO
    Common follow-on or adjacent credential, see the graph for full lineage.
  • OSED
    Common follow-on or adjacent credential, see the graph for full lineage.

Adjacent & overlapping

  • CRTO
  • OSED
Career outcomes and limitations

Realistic first roles

Advanced authorised penetration testing

How people actually get here

    Real-world career variations

    Timeline expectations

    1. Months 0–2Foundation reading, concepts, vocabulary.
    2. Months 2–4Hands-on labs, documented home projects.
    3. Months 4–6Practice exams, weak-area drills, exam.
    4. Post-examUse target vacancies to guide applications and projects. There is no guaranteed time to a first role.

    Study resources

    Study options

    Choose the right mix for your goals and experience. Links below go to official and third-party resources.

    Guided study

    Structured resources from established providers can help build knowledge and skills.

    Compare study options →

    Third-party providers. Commercial terms, pricing and availability apply.

    Practice environments

    Explore suitable environments for practical work. Check the tools, features and access you need.

    Compare practice resources →

    External resources. Check current costs and access requirements.

    Resources are selected for relevance. Compare access, syllabus coverage and total cost; a listing does not imply a commercial partnership.

    Compare the resources for OSEP
    CourseProvider source

    OffSec PEN-300. Evasion Techniques and Breaching Defences

    Self-paced + Labs

    Check the resource provider for current local pricing
    View resource
    LabProvider source

    OffSec PEN-300 lab environment

    Hands-on

    Check the resource provider for current local pricing
    View resource

    Check the current syllabus, access terms and total cost before choosing. Resource inclusion does not guarantee exam success.

    Optional home projects

    Build something you can explain.

    Ideas to explore after choosing a certification, using your own tools and keeping evidence of your work.

    Example project evidence
    Project evidence map (example)
    Endpoint control experiment planScope and inputs
    Outcome classification and restoration checklistDecisions and reasoning
    Evidence record (example)
    EvidenceWhat to capture
    Endpoint control experiment planShow the inputs, scope and decisions behind this record. Every experiment has an expected observation and a measurable result.
    Outcome classification and restoration checklistInclude the evidence supporting your conclusion. A lack of alert is not equated with successful prevention or invisibility.

    Design a controlled assessment of endpoint defences

    An advanced assessment team needs to evaluate endpoint controls in a dedicated range. The sponsor wants evidence of control behaviour without exposing production systems.

    Design project Your own tools Evidence guidance
    View project guide
    Track this certification

    Editorial route and career guidance. No separate external evidence review is recorded for this assessment.

    Editorial evidence review: pending · UK market. Vendor facts and prices elsewhere on this page have their own sources and check dates.