OffSec Exploit Developer
The OSED is a hands-on practical certification from OffSec designed for professionals who want to validate real-world skills. Prepare with scenario-based knowledge questions that cover every domain before you sit the practical.
100
Questions
2-day practical
Time limit
70%
Passing score
16
Domains
Note: the OSED real exam is hands-on/practical. Our exam simulation tests knowledge readiness, not the practical format.
Questions mirror the real OSED exam style - applied reasoning, not trivia. You learn to think through problems, not just memorize answers.
Timed knowledge-readiness checks that gauge conceptual depth before your practical. Covers all 16 domains.
See accuracy by domain, identify weak spots, and focus study time where it counts most. Charts and per-domain breakdowns update after every session.
Start with 20 free questions per day across all certifications - no payment required. Upgrade when you are ready for unlimited access, exam simulation, and advanced analytics.
For practical certs like OSED, questions are framed around real-world lab scenarios to build the mental models you need before the practical exam.
The OSED exam has 100 questions.
The OSED exam requires a passing score of 70%. On the 100-to-900 scaled ISACA exams this translates to 450; on CompTIA percent-based exams it is a direct percentage.
The OSED is a hands-on practical exam - check with OffSec for current time allowances.
Yes. CyberCertPrep offers a free tier with 20 practice questions per day, no credit card required. Free users get access to scenario-based questions across all domains. Upgrading to a premium plan unlocks unlimited questions, exam simulation, and detailed analytics.
Yes. CyberCertPrep questions are written to mirror the style of real certification exams - emphasizing applied reasoning and real-world scenarios rather than simple fact recall. This is especially important for advanced certs like OSED where the real exam tests decision-making, not memorization.
The OSED exam covers 16 domains: Exploit Development Fundamentals, Stack Buffer Overflows, Shellcode Development, Return-Oriented Programming (ROP), ASLR Bypass Techniques, Format String & Advanced Vulnerabilities, Security Mitigation Bypass, Exploit Weaponization & Delivery, Osed Aslr Bypass, Buffer Overflows, Osed Custom Exploits, Osed Dep Bypass, Osed Egghunters, Seh Exploits, Osed Shellcoding, Windbg Debugging.
Join thousands of cybersecurity professionals who use CyberCertPrep to pass their OSED exam on the first attempt. Free tier available - no card required.