CompTIA · Official Blueprint · Last reviewed May 2026
The official CompTIA CS0-003 exam covers 4 domains. The vendor does not publish percentage weights for these domains — treat each as an equal part of the exam blueprint.
Incident response lifecycle, digital forensics, threat hunting, SIEM/SOAR tools, log analysis, and security automation.
Practice Security Operations questionsCovers the topics, concepts, and applied skills examined under the Vulnerability Management domain. Study the official exam objectives and practise questions in this area to build confidence and accuracy before your exam.
Practice Vulnerability Management questionsCovers the topics, concepts, and applied skills examined under the Incident Response and Management domain. Study the official exam objectives and practise questions in this area to build confidence and accuracy before your exam.
Practice Incident Response and Management questionsCovers the topics, concepts, and applied skills examined under the Reporting and Communication domain. Study the official exam objectives and practise questions in this area to build confidence and accuracy before your exam.
Practice Reporting and Communication questionsThe vendor does not currently publish percentage weights for these domains, so Courseiva does not rank them by weight.
Work through each domain systematically — cover fundamentals first, then applied and scenario-based topics.
Never skip a domain regardless of perceived importance. Full coverage is required to pass.
Use Courseiva domain analytics to track your accuracy per domain and route extra questions to your weak areas.
Courseiva tracks your accuracy per domain automatically and routes you toward your weakest areas — no manual configuration needed.