CompTIA CySA+ (CS0-003) Study Guide
CompTIA CySA+ (Cybersecurity Analyst) is the intermediate security-analyst certification. Exam CS0-003 validates the hands-on skills needed for security operations: continuous monitoring, threat detection, vulnerability management, and incident response.
Overview
Level
Intermediate
Vendor
CompTIA
Audience
Security analysts, SOC analysts, threat hunters, and Security+ holders ready to move from security fundamentals into hands-on detection and response work. Best with some IT or security experience.
Why get CySA+
CySA+ is the natural step up from Security+: where Security+ proves you understand security concepts, CySA+ proves you can do the analyst work—reading alerts, triaging vulnerabilities, and running an incident-response process. It is performance-based and built around the real workflow of a SOC, which is exactly what employers hiring analysts want to see. It also carries DoD 8140 approval for several cybersecurity workforce roles, giving it weight in government and defense hiring. For anyone targeting a SOC analyst, threat-detection, or vulnerability-management role, CySA+ is a strong, recognized signal of job-ready skill.
Salary expectations
Typical salary range
$80,000 – $120,000
CySA+ targets the analyst tier of cybersecurity. Cybersecurity and SOC analysts with CySA+ commonly earn $85K–$115K, with experienced analysts and senior SOC roles reaching $120K–$145K. Government and defense roles (where CySA+ is DoD-8140 approved) add clearance premiums and strong benefits on top of base salary.
When to get CySA+
Get CySA+ after Security+, ideally with some hands-on IT or security exposure. CompTIA recommends Security+ plus 3–4 years of experience, but many candidates pass with less by doing serious lab work. If you're brand new to security, start with Security+ first. If you already work in or near a SOC, CySA+ formalizes and validates what you do day to day.
Exam details
Exam Quick Reference
- Exam Code
- CS0-003
- Vendor
- CompTIA
- Level
- Intermediate
- Duration
- 165 minutes
- Format
- Up to 85 questions: multiple choice and performance-based. Passing score: 750 (on a scale of 100–900).
- Questions
- Up to 85 questions
Renewal: Valid for 3 years. Renew through CompTIA's Continuing Education (CE) program by earning CEUs, or by passing a higher-level CompTIA exam. CySA+ also renews lower CompTIA certs like Security+.
Skills covered
Security Operations (33%)
- Continuous security monitoring and log analysis
- Detecting malicious activity across network, host, and identity data
- Threat intelligence and threat hunting concepts
- Tuning detection rules and reducing false positives
- Common attack techniques (mapped to MITRE ATT&CK)
Vulnerability Management (30%)
- Running and interpreting vulnerability scans
- Prioritizing vulnerabilities with CVSS and asset context
- Validating findings and managing remediation
- Common vulnerabilities in networks, hosts, web apps, and cloud
- Attack-surface and exposure management
Incident Response & Management (20%)
- The incident response lifecycle (NIST SP 800-61)
- Detection, containment, eradication, and recovery
- Evidence handling and basic forensics concepts
- Indicators of compromise and post-incident analysis
- Playbooks, runbooks, and escalation
Reporting & Communication (17%)
- Communicating vulnerability and incident findings to stakeholders
- Writing clear, actionable reports
- Metrics, KPIs, and risk communication
- Compliance and audit reporting basics
- Collaboration across security and business teams
Step-by-step study path
This sequence reflects what consistently works. Follow it in order—don't skip ahead.
- 1
Download the CS0-003 exam objectives
Get the official CySA+ CS0-003 objectives from CompTIA. The four domains map to a real analyst's workflow—use them to structure your study and spot weak areas early.
- 2
Make sure your Security+ foundation is solid
CySA+ assumes Security+ level knowledge. If any Security+ topics are shaky (cryptography, network security, identity), shore them up first—CySA+ builds directly on them.
- 3
Work through a primary video course
Choose one comprehensive CS0-003 course and complete it end to end. Jason Dion's CySA+ course on Udemy covers all four domains with scenario practice. See the paid resources section.
- 4
Read the official study guide
The Sybex CySA+ Study Guide (CS0-003) by Chapple & Seidl is the standard written reference. Use it to deepen the vulnerability-management and incident-response domains, which reward detail.
- 5
Get hands-on with real tools
Practice the analyst workflow: run a vulnerability scanner, read SIEM alerts, analyze logs and packet captures. Free labs on TryHackMe (SOC Level 1/2 paths) and Blue Team exercises make the scenario questions intuitive.
- 6
Drill performance-based questions
CySA+ leans heavily on PBQs that ask you to analyze output and make a decision. Practice interpreting scan results, logs, and alerts under time pressure—this is where the exam is won or lost.
- 7
Take timed practice exams
Use full-length CS0-003 practice exams. Aim to score consistently above 85% before booking. Review every miss until you understand the analyst reasoning, not just the answer.
- 8
Schedule and sit the exam
Register through Pearson VUE for the 165-minute exam (test center or online proctored). Book about two weeks out to set a deadline. Pace yourself—PBQs take longer than multiple-choice.
Ready for a structured course?
A top-rated course covers every CySA+ exam domain in order. See the paid resources section below for options and pricing.
View course options →Free resources
The official CS0-003 objectives across all four domains. Your study roadmap—start here.
Browser-based blue-team labs on SIEM, log analysis, threat detection, and incident response. The closest free match to real CySA+ analyst tasks.
The free knowledge base of adversary tactics and techniques that underpins modern detection. Worth knowing for the security-operations domain.
Free, practical content on detection, log analysis, and incident response—useful for building the analyst intuition the exam tests.
Active community with CySA+ study advice and recent pass reports. Useful for understanding the current exam experience.
Paid resources
The resources below are the most commonly recommended for the CS0-003 exam. Udemy prices reflect typical sale pricing—discounts run frequently.
| Provider | Type | Price | Best for | Link |
|---|---|---|---|---|
| Udemy – Jason Dion CySA+ (CS0-003) Complete Course | Video Course | ~$15–$20 (on sale) | Most candidates – full coverage of all four CS0-003 domains with a downloadable study guide and practice exam | |
| Udemy – Jason Dion CySA+ (CS0-003) Practice Exams | Practice Exams | ~$15–$20 (on sale) | Final exam preparation with realistic, timed questions across all four domains | |
| CompTIA CySA+ Study Guide CS0-003 (Sybex, Chapple & Seidl) | Book | ~$45–$60 | Candidates who want the definitive written reference with full domain coverage and online practice |
Udemy – Jason Dion CySA+ (CS0-003) Complete Course
Video Course · ~$15–$20 (on sale)
Most candidates – full coverage of all four CS0-003 domains with a downloadable study guide and practice exam
Jason Dion's scenario-heavy style fits CySA+ well. Frequently on sale—check for current pricing.
Udemy – Jason Dion CySA+ (CS0-003) Practice Exams
Practice Exams · ~$15–$20 (on sale)
Final exam preparation with realistic, timed questions across all four domains
Six full-length practice exams timed to match the real CS0-003. Best used in the final weeks before your exam.
CompTIA CySA+ Study Guide CS0-003 (Sybex, Chapple & Seidl)
Book · ~$45–$60
Candidates who want the definitive written reference with full domain coverage and online practice
The standard CySA+ book. Pairs well with a video course; use it to go deep on vulnerability management and incident response.
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Vouchers & exam cost
The CS0-003 exam runs about $370–$425 USD. CompTIA sometimes bundles vouchers with retake insurance—verify current pricing on the official store before purchasing.
Frequently asked questions
Is CySA+ harder than Security+?
Yes. CySA+ is more advanced and more hands-on. Security+ tests whether you understand security concepts; CySA+ tests whether you can analyze real data—logs, scans, alerts—and make analyst decisions. Expect more performance-based questions.
Should I take Security+ before CySA+?
Strongly recommended. CySA+ assumes Security+ level knowledge and builds directly on it. Most people take Security+ first, then CySA+ once they have some hands-on security exposure.
Is CySA+ DoD approved?
Yes. CySA+ is approved under DoD Directive 8140 for several cybersecurity workforce roles, which gives it real weight in government and defense-contractor hiring.
How long does it take to study for CySA+?
Most candidates spend 3 to 5 months. Those already working in or near a SOC may be ready sooner. Hands-on practice with SIEM, scanning, and log analysis matters as much as video completion.
Is CySA+ worth it?
For analyst-track roles, yes. It maps directly to SOC and security-analyst job tasks, carries DoD approval, and bridges the gap between Security+ and senior credentials. It's most valuable paired with hands-on experience.
What comes after CySA+?
Depending on direction: CompTIA SecurityX (formerly CASP+) for advanced practitioners, PenTest+ for offensive security, or vendor/role certs like CISSP as you gain experience. Many analysts also pursue cloud security next.
Does CySA+ expire?
Yes. CySA+ is valid for three years. Renew through CompTIA's Continuing Education program by earning CEUs or passing a higher-level CompTIA exam. Renewing CySA+ also renews lower certs like Security+.
Ready to study?
Start with the free resources above, then add a top-rated course and practice exams when you're ready to test yourself.