CompTIA · Official Blueprint · Last reviewed May 2026
The official CompTIA CS0-003 exam covers 4 domains. Domain weights tell you exactly how much of the exam each topic represents — and where to invest your study time.
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 heaviest domain on the CS0-003 is "Security Operations" at null%. Start here and return to it regularly.
Allocate study time proportional to domain weight — a 25% domain deserves roughly 25% of your prep hours.
Never skip a low-weight domain. A 10% domain still represents 5–7 exam questions — enough to make the difference between pass and fail.
Use Courseiva domain analytics to track your accuracy per domain automatically. The system routes extra questions to your weak areas.
Courseiva tracks your accuracy per domain automatically and routes you toward your weakest areas — no manual configuration needed.