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CompTIA CS0-004 Exam Syllabus Topics:

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

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                                                                                                                                                                                                                      CompTIA Cybersecurity Analyst (CySA+) Certification Exam Sample Questions (Q11-Q16):

                                                                                                                                                                                                                      NEW QUESTION # 11
                                                                                                                                                                                                                      A security analyst IS comparing the results of the past and current active credentialed vulnerability scans:
                                                                                                                                                                                                                      Past scan:

                                                                                                                                                                                                                      Current scan:

                                                                                                                                                                                                                      Which of the following should the analyst do next?

                                                                                                                                                                                                                      Answer: C

                                                                                                                                                                                                                      Explanation:
                                                                                                                                                                                                                      The current scan shows that a previously low-severity SSL vulnerability has increased to a high- severity (9.1) issue with potential information disclosure. This means the organization now faces a significantly greater risk than before. Management must be informed because the company's assets could be leveraged in attacks or suffer data exposure, and leadership needs awareness to prioritize remediation.


                                                                                                                                                                                                                      NEW QUESTION # 12
                                                                                                                                                                                                                      Which of the following best explains why sensitive data should be encrypted at rest on laptops?

                                                                                                                                                                                                                      Answer: A

                                                                                                                                                                                                                      Explanation:
                                                                                                                                                                                                                      Encryption at rest protects the confidentiality of stored data by preventing unauthorized access when a laptop or its storage device is lost or stolen.


                                                                                                                                                                                                                      NEW QUESTION # 13
                                                                                                                                                                                                                      A security analyst responds to an alert regarding identity and access management activity within the cloud environment. The attacker is currently trying to gain access from one isolated cloud subscription to another via a compromised user role.
                                                                                                                                                                                                                      Which of the following aspects of the MITRE ATT & CK framework is the attacker trying to perform?

                                                                                                                                                                                                                      Answer: E

                                                                                                                                                                                                                      Explanation:
                                                                                                                                                                                                                      The attacker is attempting lateral movement because an already compromised identity is being used to move from one cloud environment or subscription into another. Lateral movement describes adversary activity intended to reach additional systems, services, accounts, or resources after an initial foothold has been established.
                                                                                                                                                                                                                      MITRE ATT & CK specifically includes cloud-oriented lateral movement. Its Lateral Movement tactic documents adversaries using valid accounts to access additional cloud services and resources within compromised environments. MITRE also documents cloud-role manipulation that may enable movement into additional accounts, demonstrating how identity and role relationships can become lateral-movement pathways in cloud architectures.
                                                                                                                                                                                                                      Privilege escalation would apply if the attacker were primarily attempting to obtain greater permissions within the current security context. Persistence concerns maintaining long-term access. Execution concerns running malicious code or commands. Credential access involves obtaining credentials or authentication material.
                                                                                                                                                                                                                      In this scenario, the attacker already possesses a compromised user role. The objective is to use that existing access to traverse a trust boundary and reach another isolated subscription. That movement between security domains is the decisive indicator of the Lateral Movement tactic.
                                                                                                                                                                                                                      Study Guide Reference: Security Operations # MITRE ATT & CK # Lateral Movement # Cloud Services # Valid Accounts # IAM Roles # Cross-Subscription Access.


                                                                                                                                                                                                                      NEW QUESTION # 14
                                                                                                                                                                                                                      An analyst performs Nmap scans to determine which hosts may need to be targeted to deploy a critical Windows patch. The patch for the vulnerability is to address a critical security flaw that targets open Server Message Block (SMB) ports on Windows systems only. The analyst scans with the following command:
                                                                                                                                                                                                                      $sudo nmap -Pn 10.203.10.0/24
                                                                                                                                                                                                                      The analyst then receives the following output:

                                                                                                                                                                                                                      Which of the following hosts should the analyst prioritize for patching?

                                                                                                                                                                                                                      Answer: D

                                                                                                                                                                                                                      Explanation:
                                                                                                                                                                                                                      10.203.10.11 appears to be a Windows host based on the TTL of 128 and has TCP port 445, the standard SMB port, open.


                                                                                                                                                                                                                      NEW QUESTION # 15
                                                                                                                                                                                                                      A security analyst runs an Nmap scan against a host with multiple open ports using the following command:
                                                                                                                                                                                                                      nmap 10.10.10.1 -p-
                                                                                                                                                                                                                      The following output is obtained after the scan:
                                                                                                                                                                                                                      Starting Nmap 7.95 ( https://nmap.org ) at 2025-07-15 15:55 UTC
                                                                                                                                                                                                                      Note: Host seems down.
                                                                                                                                                                                                                      Nmap done: 1 IP address (0 hosts up) scanned in 3.16 seconds
                                                                                                                                                                                                                      Which of the following is the most accurate way to scan the target IP for open ports?

                                                                                                                                                                                                                      Answer: D

                                                                                                                                                                                                                      Explanation:
                                                                                                                                                                                                                      -Pn skips host discovery and treats the target as online, which is necessary when ping probes are blocked. -p- scans all TCP ports.


                                                                                                                                                                                                                      NEW QUESTION # 16
                                                                                                                                                                                                                      ......

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