CompTIA · 2026 Edition
A complete preparation guide written by CompTIA-certified engineers. Covers the exam format,all 4 blueprint domains, a week-by-week study plan, and proven tips for passing first time.
2–3 months
Prep time
Intermediate
Difficulty
85
Exam questions
750/1000
Pass mark
Exam code
CS0-003
Full name
CompTIA CySA+
Vendor
CompTIA
Duration
165 minutes
Questions
85 items
Passing score
750/1000 (scaled)
Domains covered
4 blueprint domains
Recommended experience
Security+ or 3–4 years of cybersecurity experience recommended
Typical prep time
2–3 months
CySA+ is the leading analytics-focused cybersecurity certification — valued by SOC teams, threat hunters, and incident responders. It satisfies DoD 8570 IAT Level II requirements.
Job roles this opens
Domain percentage weights are not currently available for this exam. The checklist below is still useful for planning your study.
Weeks 1–3
Security Operations & Threat Intelligence
Tip: Learn the threat intelligence lifecycle: collection, analysis, dissemination, and feedback.
Weeks 4–6
Vulnerability Management & Detection Engineering
Tip: Understand CVSS scoring, remediation prioritisation, and scan scheduling policies.
Weeks 7–9
Incident Response & Digital Forensics
Tip: Know the NIST IR lifecycle: Preparation → Detection → Containment → Eradication → Recovery → Lessons Learned.
Weeks 10–12
Reporting & Communication + Mock Exams
Tip: CS0-003 is scenario-heavy — practise matching symptoms to root causes.
SIEM correlation rules, alert tuning, and log analysis are the most tested skills on CySA+.
Know the difference between threat intelligence sources: ISACs, CTI feeds, OSINT, dark web.
The MITRE ATT&CK framework is referenced in multiple question scenarios — understand its structure.
False positive vs false negative tradeoffs in detection are a recurring exam theme.
CySA+ renews every three years — continuing education units (CEUs) can substitute for resitting.
Apply everything in this guide with adaptive practice questions, detailed answer explanations, and domain analytics.
Deep-dive explanations of the key topics tested on CS0-003 — with exam key points and common misconceptions.