📘Study Focus | Domain 6: Security Assessment and Testing

📘 Domain 6: Security Assessment and Testing

CISSP loves to test your ability to distinguish between similar-sounding concepts (e.g., vulnerability scan vs penetration test, audit vs assessment, etc.).

🔑 Flashcard Topics (Terms, Tools, and Roles That Cause Confusion)

🔍 Assessment Types

🧱 Vulnerability Assessment vs Penetration Test

  • Vulnerability Assessment = Automated scan for known issues; non-intrusive, broad scope.

  • Penetration Test = Simulates real attack to exploit vulnerabilities; goal = prove exploitation.

🔎 Security Audit vs Security Assessment

  • Audit = Formal, external, checklist-based, often for compliance.

  • Assessment = Broader review, internal, focuses on improving posture.

⚙️ Types of Testing

  • Static Testing (SAST) = Analyze code without running it (e.g., source code review).

  • Dynamic Testing (DAST) = Test running application (e.g., web app fuzzing).

  • Interactive Testing (IAST) = Combines static + dynamic in real time.

  • Fuzz Testing = Send malformed/random input to trigger crashes or bugs.

👨‍💻 Testing Roles

  • Testers = Execute test plan

  • Developers = Fix findings

  • Auditors = Independent, verify controls

  • Security Analysts = Review logs, analyze results

🧪 Testing Types for Systems

🔲 White-box Testing

  • Full internal knowledge (source code, architecture).

⚫ Black-box Testing

  • No internal knowledge; tests system like an external attacker.

⚪ Gray-box Testing

  • Partial knowledge; often simulates insider threat.

📊 Security Metrics and Reporting

  • Qualitative vs Quantitative Risk
    Qualitative = subjective (e.g., High/Med/Low); Quantitative = numeric (e.g., ALE).

  • Code Coverage Metrics
    Measures % of code executed by tests (e.g., branch, statement, condition).

  • Test Coverage
    Extent to which testing checks requirements and functionality.

🧾 Log and Monitoring Concepts

  • SIEM = Central log analysis and correlation (Splunk, QRadar)

  • Log Retention Policy = Dictates how long logs are kept (based on legal/regulatory needs)

🛠 Common Tools

  • Scanner = Nessus, Qualys (automated VA)

  • Exploitation = Metasploit (used in pen testing)

  • Code Review = SonarQube, Fortify (SAST tools)

📁 Test Data Management

  • Synthetic Data = Fake but realistic data created for testing

  • Sanitized Data = Real data stripped of sensitive content

Domain 6 is deceptively short — but CISSP will grill you with subtle scenario-based questions. Flashcards + case studies = your best friends here.


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