Free reasoning-led diagnostic
ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Mock Exam & Readiness Assessment
A free 30-question diagnostic for ISC2 Certified Secure Software Lifecycle Professional (CSSLP). Answer at your own pace, then review a domain-by-domain readiness signal with fully explained reasoning for every question.
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- 30 Questions
- 30 Single-Answer / 0 Multi-Answer
- 8 Domains
- 45 minutes (~1.4 minutes per question based on the official exam)
Who This Diagnostic Is For
This assessment is for learners preparing for ISC2 Certified Secure Software Lifecycle Professional (CSSLP) who want an honest, evidence-based signal of where they stand today. Every question is original CertShield content, technically validated against current official documentation (Live version effective September 15, 2023) and peer-reviewed by subject-matter experts before publication.
What It Measures
| Domain | Questions |
|---|---|
| Secure Software Architecture and Design | 5 |
| Secure Software Concepts | 4 |
| Secure Software Deployment, Operations, Maintenance | 3 |
| Secure Software Implementation | 4 |
| Secure Software Lifecycle Management | 3 |
| Secure Software Requirements | 4 |
| Secure Software Supply Chain | 3 |
| Secure Software Testing | 4 |
Limitations of this diagnostic: 30 questions cannot cover every exam objective with equal depth. Domains with fewer than three questions are labelled "Limited evidence" in your results and can never cause a readiness downgrade on their own. This is not an official exam, an accredited course, or a pass-rate prediction.
Technically validated: Completed September 13, 2026, against the ISC2 CSSLP Certification Exam Outline (effective September 15, 2023) and current official NIST, OWASP, FIRST. See the assessment methodology for how scoring, confidence and readiness safeguards work.
About the Official Certified Secure Software Lifecycle Professional (CSSLP) Exam
Sourced directly from the official Certified Secure Software Lifecycle Professional (CSSLP) Exam Guide, published by ISC2 — Live version effective September 15, 2023.
- Questions
- 125 multiple-choice questions
- Time Limit
- 3 hours
- Passing Score
- 700 out of 1000 points (scaled score; raw item weighting is not disclosed)
- Registration Fee
- $599 (Americas/APAC pricing; regional pricing varies, e.g., UK £485.19, EMEA €575.04)
- Delivery
- Pearson VUE — onsite-proctored at an authorized test center (ISC2 has confirmed CSSLP is not offered via OnVUE online proctoring, citing integrity findings from its online-proctoring pilot programs)
- Validity
- 3-year certification cycle requiring 90 CPE credits (a minimum of 60 Group A credits directly relevant to the CSSLP domains, plus 30 credits from Group A or B); a single $135 annual maintenance fee covers any combination of ISC2 certifications held, including CSSLP, regardless of how many are held simultaneously
Official exam domains this diagnostic mirrors:
- Secure Software Concepts 12%
- Secure Software Lifecycle Management 11%
- Secure Software Requirements 13%
- Secure Software Architecture and Design 15%
- Secure Software Implementation 14%
- Secure Software Testing 14%
- Secure Software Deployment, Operations, Maintenance 11%
- Secure Software Supply Chain 10%
Who this certification is for:
ISC2 describes the CSSLP as validating that software professionals have the expertise to incorporate security practices — authentication, authorization, and auditing — into each phase of the Software Development Life Cycle (SDLC), from design and implementation through testing and deployment; the typical audience includes software architects, engineers, developers, application security specialists, QA testers, penetration testers, and project managers.
Requires a minimum of 4 years of cumulative, paid SDLC professional work experience across one or more of the eight CSSLP domains, or 3 years of such experience combined with a four-year degree (or regional equivalent) in Computer Science, Information Technology, or a related field. Candidates who lack the required experience may still sit and pass the exam to become an Associate of ISC2, with 5 years to earn the required experience. ANSI/ISO/IEC 17024-accredited. ISC2 periodically updates the exam via a formal Job Task Analysis (JTA) to keep content aligned with current practitioner roles and responsibilities.
Frequently Asked Questions
How many questions are on the Certified Secure Software Lifecycle Professional (CSSLP) exam?
125 multiple-choice questions
How long is the Certified Secure Software Lifecycle Professional (CSSLP) exam?
3 hours
What is the passing score for Certified Secure Software Lifecycle Professional (CSSLP)?
700 out of 1000 points (scaled score; raw item weighting is not disclosed)
How much does the Certified Secure Software Lifecycle Professional (CSSLP) exam cost?
$599 (Americas/APAC pricing; regional pricing varies, e.g., UK £485.19, EMEA €575.04)
What topics are covered in the Certified Secure Software Lifecycle Professional (CSSLP) exam?
The exam covers Secure Software Concepts 12%, Secure Software Lifecycle Management 11%, Secure Software Requirements 13%, Secure Software Architecture and Design 15%, Secure Software Implementation 14%, Secure Software Testing 14%, Secure Software Deployment, Operations, Maintenance 11%, and Secure Software Supply Chain 10%.
Who is the Certified Secure Software Lifecycle Professional (CSSLP) exam for?
ISC2 describes the CSSLP as validating that software professionals have the expertise to incorporate security practices — authentication, authorization, and auditing — into each phase of the Software Development Life Cycle (SDLC), from design and implementation through testing and deployment; the typical audience includes software architects, engineers, developers, application security specialists, QA testers, penetration testers, and project managers.
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