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

CS0-004

Exam Code: CS0-004

Exam Name: CompTIA Cybersecurity Analyst (CySA+) Certification Exam

Updated: Oct 15, 2026

Q & A: 190 Questions and Answers

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CompTIA CS0-004 Exam Syllabus Topics:

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

                                                                                                                                                                                                                      CompTIA Cybersecurity Analyst (CySA+) Certification Sample Questions:

                                                                                                                                                                                                                      Question #1
                                                                                                                                                                                                                      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.


                                                                                                                                                                                                                      Question #2
                                                                                                                                                                                                                      There is an alert coming from the security information and event management system. Which of the following is the first task an analyst should complete?

                                                                                                                                                                                                                      A. Escalate the issue to the help desk team.
                                                                                                                                                                                                                      B. Perform triage activities that will identify the risk.
                                                                                                                                                                                                                      C. Contact the incident coordinator to communicate the vulnerability.
                                                                                                                                                                                                                      D. Conduct remediation activities within the recovery phase.


                                                                                                                                                                                                                      Question #3
                                                                                                                                                                                                                      A security analyst performs a vulnerability scan on the corporate assets and finds the following vulnerabilities:

                                                                                                                                                                                                                      The vulnerability manager reviews the analyst's recommendations and asks the analyst to add more information in order to confirm prioritization. Which of the following best explains the reason the manager requests more information?

                                                                                                                                                                                                                      A. Host critically is unknown
                                                                                                                                                                                                                      B. Existing KPIs were not measured
                                                                                                                                                                                                                      C. Zero-day vulnerabilities were excluded
                                                                                                                                                                                                                      D. SLA information is missing


                                                                                                                                                                                                                      Question #4
                                                                                                                                                                                                                      Hotspot Question
                                                                                                                                                                                                                      A systems administrator is reviewing the output of a vulnerability scan.
                                                                                                                                                                                                                      INSTRUCTIONS
                                                                                                                                                                                                                      Review the information in each tab.
                                                                                                                                                                                                                      Based on the organization's environment architecture and remediation standards, select the server to be patched within 14 days and select the appropriate technique and mitigation.
                                                                                                                                                                                                                      If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.




                                                                                                                                                                                                                      Question #5
                                                                                                                                                                                                                      A security operations center analyst receives an alert from the security information and event management system. The analyst quickly reviews the alert and sees a workstation infected with malware. The analyst then uses the endpoint detection and response tool to isolate the workstation from the network. Which of the following best describes the steps that occurred in this scenario?

                                                                                                                                                                                                                      A. Isolation, mitigation, and analysis
                                                                                                                                                                                                                      B. Detection, analysis, and containment
                                                                                                                                                                                                                      C. Analysis, eradication, and recovery
                                                                                                                                                                                                                      D. Analysis, containment, and eradication


                                                                                                                                                                                                                      Solutions:

                                                                                                                                                                                                                      Question #1
                                                                                                                                                                                                                      Correct Answer: D                                                                                                                                                                                                                      		Question #2
                                                                                                                                                                                                                      Correct Answer: B                                                                                                                                                                                                                      		Question #3
                                                                                                                                                                                                                      Correct Answer: A                                                                                                                                                                                                                      		Question #4
                                                                                                                                                                                                                      Correct Answer: Only visible for members                                                                                                                                                                                                                      		Question #5
                                                                                                                                                                                                                      Correct Answer: B

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