CompTIA Cybersecurity Analyst (CySA+) (CS0‑003) Practice Exams
About the CompTIA CySA+ CS0-003 exam
Exam at a glance
CompTIA's hands-on cybersecurity analyst certification at the intermediate tier.
Domain weighting
- Security Operations: 33%
- Vulnerability Management: 30%
- Incident Response and Management: 20%
- Reporting and Communication: 17%
Who this exam targets
CySA+ CS0-003 (released June 2023, replacing CS0-002) targets SOC analysts, threat hunters, incident response engineers, and security operations professionals running a modern blue-team workflow. The cert is approved under DoD Directive 8140.03 for several cybersecurity workforce roles, which makes it a common contractual requirement for U.S. defense and federal-adjacent positions.
Prerequisites
CompTIA recommends CompTIA Network+ and CompTIA Security+ as prior knowledge plus roughly four years of hands-on cybersecurity experience. There are no formal prerequisites — you can sit CS0-003 without holding Network+ or Security+ — but candidates without that foundation should expect a steeper preparation curve.
Why take this certification
- Bridge from Security+ to SecurityX. CySA+ is the natural midpoint between SY0-701 Security+ (foundational) and CAS-005 SecurityX (advanced practitioner). It validates that you can operate security tooling, not just describe controls.
- Performance-based, not memorization. A meaningful portion of the exam is interactive PBQs that drop you into log analysis, scan triage, and incident response scenarios. Pass and your résumé says "I have done this," not "I have read about this."
- DoD 8140.03 approved. Accepted for multiple cybersecurity workforce roles inside U.S. federal contracting, which keeps demand structurally high in that hiring market.
- Vendor-neutral analyst skills. Tooling rotates fast in security operations — CySA+ teaches the SIEM-agnostic, MITRE ATT&CK-aligned analyst workflow that transfers from Splunk to Sentinel to Chronicle without retraining from scratch.
What you'll learn in the CS0-003 exam
CS0-003 validates that you can run the day-to-day workflow of a security operations analyst: ingest telemetry, surface what matters, drive vulnerabilities to remediation, run an incident end-to-end, and report up to stakeholders who do not speak in CVEs. Most questions are scenario-driven and several are performance-based — you'll interpret log output, scan reports, or playbook steps rather than recall trivia.
Security operations (33%)
- Log analysis and SIEM across platforms such as Splunk, ELK, and Microsoft Sentinel — writing queries, building correlations, tuning false positives.
- Packet and protocol analysis with Wireshark and tcpdump — recognizing C2 patterns, beaconing, and data exfiltration in the wire.
- Malware behavior analysis — static vs dynamic indicators, sandbox output, MITRE ATT&CK technique mapping.
- Threat intelligence integration — consuming feeds, OSINT collection, structured threat data (STIX/TAXII), pivoting from IOC to actor TTPs.
Vulnerability management (30%)
- Vulnerability scanning with Nessus, OpenVAS, and Qualys — credentialed vs uncredentialed, internal vs external posture, scan window planning.
- CVSS scoring — base, temporal, environmental metrics; converting raw CVSS into business-aware prioritization.
- Prioritization workflows beyond CVSS — exploitability (CISA KEV, EPSS), asset criticality, compensating controls, exception management.
- Remediation pipelines — patch validation, ticketing handoffs, SLA enforcement, retesting and closure evidence.
Incident response and management (20%)
- NIST SP 800-61 IR lifecycle — preparation, detection and analysis, containment, eradication, recovery, post-incident activity.
- IR playbooks for common scenarios (phishing, ransomware, credential theft, insider misuse) and tabletop exercise facilitation.
- Evidence handling — chain of custody, disk and memory imaging, log preservation for legal admissibility.
- Digital forensics basics — file system artifacts, registry analysis, timeline reconstruction.
- Threat hunting — hypothesis-driven hunts using MITRE ATT&CK, anomaly detection, hunt documentation.
Reporting and communication (17%)
- Executive briefings — translating technical findings into business risk language for non-technical stakeholders.
- Technical writeups — incident reports, vulnerability assessments, threat-hunt outcomes.
- Metrics and KPIs — MTTR, dwell time, true-positive rate, patch coverage; dashboarding for SOC leadership.
- BIA and RCA documentation — business impact analysis tied to incidents; root-cause documentation that drives durable fixes.
How the practice exams help
Each free question and every premium exam mirrors the scenario- and artifact-driven format CompTIA uses — long stems with log snippets, scan output, or playbook steps; one or more correct options. Detailed explanations cover not just why the right answer is right but why the distractors are wrong, so you build the analyst intuition the PBQs actually reward.
How to prepare for the CS0-003 exam
A successful CS0-003 preparation strategy combines blueprint study, hands-on lab work, and timed practice. Recommended approach:
- Study the CompTIA blueprint (3–4 weeks). Work through CompTIA CertMaster Learn + Practice for CySA+ alongside the official CompTIA CySA+ CS0-003 Study Guide (Sybex). Spend the most time in Security Operations and Vulnerability Management — together they are 63% of the exam.
- Hands-on labs (2–3 weeks). Run analyst workflows end-to-end in CompTIA CertMaster Labs, the TryHackMe SOC Level 1 track, and Blue Team Labs Online. Practice ingesting logs into a SIEM, running a Nessus scan against an intentionally vulnerable host, and walking a simulated phishing incident through the NIST lifecycle.
- Review frameworks and standards (1 week). Read NIST SP 800-61 (incident handling), skim MITRE ATT&CK for enterprise tactics, and review CVSS v3.1 scoring rubrics so the calculator stops being a black box.
- Practice exams (1–2 weeks). Take timed practice tests to identify weak domains. Aim for consistent 80%+ scores on the multiple-choice portion before scheduling the real exam. Replay PBQ-style labs until tool output (Wireshark captures, scan reports, SIEM dashboards) reads as fluently as plain English.
Recommended timeline
8–12 weeks of focused study (10–15 hours per week). Candidates who already passed Security+ recently and work in a SOC role can compress to 6–8 weeks; those new to blue-team operations should plan the full 12 weeks with extra lab time.
Official resources
Download the official CompTIA CySA+ CS0-003 exam objectives and pair them with CertMaster Learn for the core curriculum. The CertMaster Labs add-on is the most direct simulation of the performance-based portion of the exam.
Frequently asked questions
Are these actual exam questions?
No. All Nex Arc CompTIA CySA+ CS0-003 practice questions are original content based on the provider's published exam blueprint, official documentation, and real-world scenarios across every topic the exam covers. We do not offer brain dumps, leaked questions, or actual exam content. Using or distributing real exam questions violates certification provider agreements and can result in certification revocation.
How many questions are in the CompTIA CySA+ CS0-003 exam?
The CySA+ CS0-003 exam consists of a maximum of 85 questions delivered in 165 minutes. The exam combines traditional multiple-choice questions with performance-based questions (PBQs) that simulate real cybersecurity tasks such as analyzing logs, interpreting scan output, and walking through incident response steps.
What's the CS0-003 passing score?
The passing score is 750 on a scale of 100 to 900. CompTIA uses a scaled scoring model, so not every question carries the same weight — performance-based questions typically count more than multiple-choice items. Focus on understanding the analyst workflows the exam rewards rather than memorizing tool flags.
How do I access the full CS0-003 practice exam?
Click on the Buy Now button in the sidebar to purchase the complete CompTIA CySA+ CS0-003 course. After payment, you'll have instant access to 12 practice exams with detailed explanations and lifetime access.
What are the prerequisites for the CS0-003 exam?
CompTIA imposes no formal prerequisites. The recommended preparation is CompTIA Network+ and CompTIA Security+ (or equivalent knowledge) plus roughly four years of hands-on experience as a SOC analyst, incident response analyst, threat hunter, or equivalent role. Candidates without that background can still pass with disciplined preparation, but should plan extra lab time on log analysis, packet captures, and vulnerability scanners before scheduling the exam.
How long is the CS0-003 certification valid?
CompTIA CySA+ is valid for three years from the date you pass the exam. You can recertify by earning 60 Continuing Education Units (CEUs) through CompTIA's Continuing Education program during the three-year cycle, by passing a higher-tier CompTIA exam such as PenTest+ (PT0-003), CASP+/SecurityX (CAS-005), or by retaking the current version of CS0-003. CEUs accrue from approved training, conference attendance, teaching, publishing, and related professional activities — see CompTIA's CE program for the current activity catalog.
What's the exam cost and can I retake it if I fail?
The CS0-003 exam list price is $404 USD (volume vouchers and academic pricing reduce this). The exam is delivered through Pearson VUE at testing centers or via online proctoring. CompTIA allows you to retake the first time without a wait, but a 14-day waiting period applies between every subsequent attempt and each attempt costs the full exam fee. There is no cap on total attempts. Budget for at least one retake by buying a CertMaster bundle voucher in case scheduling is tight.
Which tools and frameworks are most heavily tested on CS0-003?
Based on the four CS0-003 domains, the most frequently tested tools and frameworks are: SIEM platforms (Splunk, ELK, Microsoft Sentinel), the MITRE ATT&CK framework, vulnerability scanners (Nessus, OpenVAS, Qualys), CVSS scoring and prioritization, packet analyzers (Wireshark, tcpdump), endpoint detection and response (EDR), threat intelligence platforms and OSINT, the NIST incident response lifecycle (SP 800-61), digital forensics basics (chain of custody, imaging, memory captures), and reporting artifacts (executive summaries, root cause analysis, KPI dashboards). Expect to interpret raw log snippets and scan output rather than recall vendor menus.
How does CS0-003 differ from the previous CS0-002 version?
CS0-003 (released June 2023) streamlined the blueprint from five domains down to four — Security Operations, Vulnerability Management, Incident Response and Management, and Reporting and Communication. The new version adds significantly more coverage of cloud-native security monitoring, automation and orchestration concepts (SOAR playbooks), and modern threat hunting workflows built around MITRE ATT&CK. Question count and time remain similar (max 85 questions, 165 minutes), but performance-based questions now exercise contemporary analyst tasks rather than legacy compliance scenarios. Candidates moving from CS0-002 should focus their refresh on cloud telemetry, automation, and the consolidated reporting domain.
Can I retake the CS0-003 exam if I fail?
Yes. CompTIA allows an immediate first retake. From the third attempt onward, a 14-day waiting period applies between every attempt. You pay the full $404 exam fee for each try. There is no lifetime cap on attempts, but CompTIA's policies prohibit using brain dumps or sharing exam content between attempts.