Certified Ethical Hacker guides
2 source-backed guides for the CEH, from registration and scoring to what to study, exam day and retakes.
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New to the CEH? These answer the first questions most candidates have.
- 1What to study
What's on the CEH Exam? The Nine Domains, Their Question Counts, and the Format
The nine domains of the current CEH exam blueprint with the number of questions each one carries, how the 125-question, 4-hour knowledge exam is delivered and scored, what version 13 means for a 2027 test date, and how the CEH Practical differs.
Read guide - 2Eligibility, registration & costs
CEH Exam Cost and Requirements: The Training Route vs the Experience Route
What the CEH exam costs at EC-Council's store, who can skip official training, how the $100 eligibility application works, and what retakes and the annual fee add for 2027 candidates.
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Eligibility, registration & costs1 guide
Who can sit the exam, how to apply and schedule, and what it costs.
What to study1 guide
The content areas, skills and topics the exam actually tests.
Free CEH resources
Choose your next step.
Practice, build a study plan, or return to the exam overview.
Try free practice
Answer 20 original questions and learn from every rationale.
Start practice →Practical planning aidBuild a study plan
Turn the time you have into a clear study rhythm.
Build my outline →Exam overviewVisit the CEH hub
Review the exam format, official sources, and preparation options.
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