CompTIA CS0-004 Exam : CompTIA Cybersecurity Analyst (CySA+) Certification Exam

  • Exam Code: CS0-004
  • Exam Name: CompTIA Cybersecurity Analyst (CySA+) Certification Exam
  • Updated: Oct 07, 2026
  • Q & A: 190 Questions and Answers

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CompTIA CS0-004 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Incident Response and Management24%- Attack Methodology Frameworks
  • 1. Diamond Model of Intrusion Analysis
    • 2. MITRE ATT&CK
      • 3. Cyber Kill Chain
        - Incident Response Process
        • 1. Eradication
          • 2. Containment
            • 3. Analysis
              • 4. Detection
                • 5. Preparation
                  • 6. Post-incident activities
                    • 7. Recovery
                      - Incident Response Techniques
                      • 1. Alerts, notifications, and triage
                        • 2. Corrective action development
                          • 3. Isolation and escalation
                            • 4. Log collection, correlation, and enrichment
                              • 5. Training and exercises
                                • 6. Root cause analysis
                                  • 7. Incident response and communication plans
                                    • 8. Timeline, severity, impact, and prioritization
                                      • 9. Playbooks and roles
                                        • 10. Restoration
                                          • 11. Evidence gathering and preservation
                                            • 12. Remediation and verification
                                              Topic 2: Vulnerability Management26%- Vulnerability Prioritization and Mitigation
                                              • 1. Context awareness
                                                • 2. Vulnerability prioritization criteria
                                                  • 3. Scoring methods
                                                    • 4. Mitigation strategies
                                                      • 5. Validation of remediation
                                                        - Vulnerability Scanning Methods
                                                        • 1. Asset inventory
                                                          • 2. Scan types
                                                            • 3. Planning considerations
                                                              • 4. Security baseline scanning
                                                                • 5. Discovery
                                                                  - Vulnerability Assessment Tools
                                                                  • 1. Breach attack simulation tools
                                                                    • 2. Network scanning and mapping
                                                                      • 3. Vulnerability scanners
                                                                        • 4. Cloud infrastructure assessment tools
                                                                          • 5. Web application scanners
                                                                            • 6. Multipurpose tools
                                                                              - Control Types, Risks, and Vulnerability Management
                                                                              • 1. Application security
                                                                                • 2. Policies, governance, and service-level objectives
                                                                                  • 3. Control functions
                                                                                    • 4. Risk management strategies
                                                                                      • 5. Control types
                                                                                        • 6. Third-party risk
                                                                                          • 7. Risk concepts
                                                                                            Topic 3: Security Operations34%- System and Network Architecture in Security Operations
                                                                                            • 1. Critical infrastructure concepts
                                                                                              • 2. Data protection concepts
                                                                                                • 3. Device management concepts
                                                                                                  • 4. Logging concepts
                                                                                                    • 5. Infrastructure and system architecture concepts
                                                                                                      • 6. Identity and access management
                                                                                                        • 7. Network architecture concepts
                                                                                                          • 8. Operating system concepts
                                                                                                            • 9. Encryption techniques
                                                                                                              - Tools for Determining Malicious Activity
                                                                                                              • 1. Pattern recognition and suspicious command analysis
                                                                                                                • 2. Programming and scripting languages
                                                                                                                  • 3. Email analysis
                                                                                                                    • 4. Domain and IP reputation
                                                                                                                      • 5. Threat intelligence platforms
                                                                                                                        • 6. Sandboxing
                                                                                                                          • 7. Decoding and parsing
                                                                                                                            • 8. Endpoint security
                                                                                                                              • 9. User and entity behavior analysis
                                                                                                                                • 10. Packet analysis
                                                                                                                                  • 11. Log analysis and SIEM
                                                                                                                                    • 12. File formats
                                                                                                                                      • 13. File analysis
                                                                                                                                        - Threat Intelligence and Threat Hunting
                                                                                                                                        • 1. Threat mapping
                                                                                                                                          • 2. Confidence-level impacts
                                                                                                                                            • 3. Tactics, techniques, and procedures
                                                                                                                                              • 4. Threat actors
                                                                                                                                                • 5. Indicators of compromise
                                                                                                                                                  • 6. Cyber deception
                                                                                                                                                    • 7. Collection methods and sources
                                                                                                                                                      • 8. Threat modeling
                                                                                                                                                        - Artificial Intelligence in Security Operations
                                                                                                                                                        • 1. AI governance
                                                                                                                                                          • 2. AI use cases
                                                                                                                                                            • 3. AI risks
                                                                                                                                                              - Efficiency and Process Improvement in Security Operations
                                                                                                                                                              • 1. Technology and tool integration
                                                                                                                                                                • 2. Data enrichment
                                                                                                                                                                  • 3. Automation and orchestration
                                                                                                                                                                    • 4. Streamline operations
                                                                                                                                                                      • 5. Standardize processes
                                                                                                                                                                        - Indicators of Potential Malicious Activity
                                                                                                                                                                        • 1. Email-related attacks
                                                                                                                                                                          • 2. Identity-based indicators
                                                                                                                                                                            • 3. Unauthorized configuration
                                                                                                                                                                              • 4. Application-related indicators
                                                                                                                                                                                • 5. Network-related indicators
                                                                                                                                                                                  • 6. Social engineering attacks
                                                                                                                                                                                    • 7. Cloud-related indicators
                                                                                                                                                                                      • 8. Host-related indicators
                                                                                                                                                                                        Topic 4: Reporting and Communication16%- Vulnerability Management Reporting and Communication
                                                                                                                                                                                        • 1. Vulnerability scan reports
                                                                                                                                                                                          • 2. Compliance findings
                                                                                                                                                                                            • 3. Stakeholder identification and communication
                                                                                                                                                                                              • 4. Action plans
                                                                                                                                                                                                • 5. Inhibitors to remediation
                                                                                                                                                                                                  • 6. Metrics and key performance indicators
                                                                                                                                                                                                    • 7. Risk scorecards
                                                                                                                                                                                                      - Security Operations and Incident Response Reporting and Communication
                                                                                                                                                                                                      • 1. Internal threat intelligence report
                                                                                                                                                                                                        • 2. Shift and incident handover
                                                                                                                                                                                                          • 3. Post-incident reporting
                                                                                                                                                                                                            • 4. Communication plan
                                                                                                                                                                                                              • 5. Metrics and key performance indicators
                                                                                                                                                                                                                • 6. Operational security awareness
                                                                                                                                                                                                                  • 7. Executive summary
                                                                                                                                                                                                                    • 8. Incident declaration and escalation

                                                                                                                                                                                                                      CompTIA Cybersecurity Analyst (CySA+) Certification Sample Questions:

                                                                                                                                                                                                                      Question #1

                                                                                                                                                                                                                      A recent security audit found that RCE was possible for a specific application server that requires public access for HTTP and HTTPS traffic. Which of the following controls should a security analyst recommend?

                                                                                                                                                                                                                      • A. Modifying the rules on the WAF to sanitize user input
                                                                                                                                                                                                                      • B. Creating an IAM policy so that only administrators can access the server
                                                                                                                                                                                                                      • C. Only allowing one application server to be publicly accessible
                                                                                                                                                                                                                      • D. Configuring a firewall rule to deny all inbound external traffic
                                                                                                                                                                                                                      Reveal Solution  Discussion  0

                                                                                                                                                                                                                      Correct Answer: A  🗳️

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                                                                                                                                                                                                                      Question #2

                                                                                                                                                                                                                      A security analyst must identify documents that contain encoded ActiveMime payloads in a directory containing thousands of files. The analyst runs the following command:
                                                                                                                                                                                                                      grep -rail ActiveMime *
                                                                                                                                                                                                                      The command returns no output. Which of the following Yet Another Recursive Acronym (YARA) rules should the analyst use to find the suspicious files?

                                                                                                                                                                                                                      • A.
                                                                                                                                                                                                                      • B.
                                                                                                                                                                                                                      • C.
                                                                                                                                                                                                                      • D.
                                                                                                                                                                                                                      Reveal Solution  Discussion  0

                                                                                                                                                                                                                      Correct Answer: B  🗳️

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                                                                                                                                                                                                                      Question #3

                                                                                                                                                                                                                      The Chief Information Officer (CIO) is requiring users to phase out a legacy system that no longer receives security updates because the system will be decommissioned soon. Which of the following risk management strategies is the CIO using?

                                                                                                                                                                                                                      • A. Avoidance
                                                                                                                                                                                                                      • B. Acceptance
                                                                                                                                                                                                                      • C. Transference
                                                                                                                                                                                                                      • D. Mitigation
                                                                                                                                                                                                                      Reveal Solution  Discussion  0

                                                                                                                                                                                                                      Correct Answer: A  🗳️

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                                                                                                                                                                                                                      Question #4

                                                                                                                                                                                                                      Based on recent alerts, a security analyst thinks a web application server was compromised. The analyst reviews the following server output:

                                                                                                                                                                                                                      Which of the following best describes what has occurred?

                                                                                                                                                                                                                      • A. An initiated unauthorized session
                                                                                                                                                                                                                      • B. Abnormal idle times for each user
                                                                                                                                                                                                                      • C. Too many users logged in at the same time
                                                                                                                                                                                                                      • D. High resource consumption
                                                                                                                                                                                                                      Reveal Solution  Discussion  0

                                                                                                                                                                                                                      Correct Answer: A  🗳️

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                                                                                                                                                                                                                      Question #5

                                                                                                                                                                                                                      An analyst receives the following summary report for vulnerabilities on multiple hosts:

                                                                                                                                                                                                                      Which of the following servers should the analyst remediate first?

                                                                                                                                                                                                                      • A. COMPTIA-FS01
                                                                                                                                                                                                                      • B. COMPTIA-WEB01
                                                                                                                                                                                                                      • C. COMPTIA-DC01
                                                                                                                                                                                                                      • D. COMPTIA-APP01
                                                                                                                                                                                                                      Reveal Solution  Discussion  0

                                                                                                                                                                                                                      Correct Answer: D  🗳️

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