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CompTIA SecurityX CAS-005 Study Guide

CompTIA SecurityX CAS-005

CompTIA SecurityX (CAS-005) is CompTIA's advanced security exam. It covers governance, risk and compliance, security architecture, security engineering, and security operations. It suits experienced security practitioners who design and lead security solutions.

  • Exam code CAS-005
  • Advanced level
  • 4 exam domains

This guide is free, with no sign-up. It explains every CompTIA SecurityX CAS-005 exam topic in plain English, one chapter at a time. Read them in order or jump straight to the topic you need.

  • 4chapters
  • 34topics
  • 13diagrams and exhibits
  • 2 h 50 minfast track
Start with Governance, Risk, and Compliance
  • Every topic follows the same simple pattern: what it is, how it works, common mistakes
  • Diagrams and real command output where a picture explains it best
  • Exam tips and worked subnetting and IPv6 practice, with answers

How the exam is weighted

Each domain is worth this share of the exam, so spend your study time in proportion. Select a domain to open its chapter.

Chapters

Open a chapter to see its topics and how long each takes.

1Governance, Risk, and Compliance7 topics · 34 min fast trackGovernance, data rules, risk analysis, vendor risk, compliance, threat models and AI.
  1. 1Governance, Policies and Change Control5 min
  2. 2Data Governance and Classification5 min
  3. 3Risk Analysis and Treatment4 min
  4. 4Business Impact and Third Party Risk6 min
  5. 5Compliance and Regulations5 min
  6. 6Threat Modeling Methods4 min
  7. 7AI Security Challenges5 min
Read the chapter overview →
2Security Architecture12 topics · 59 min fast trackResilience, secure life cycle, layered controls, data protection, identity, cloud and Zero Trust.
  1. 1Resilient Design and High Availability5 min
  2. 2Backup, Recovery and Continuity5 min
  3. 3Secure SDLC and Security Testing4 min
  4. 4Software Supply Chain and End of Life5 min
  5. 5Defense in Depth and Segmentation5 min
  6. 6Data Protection and Cryptography5 min
  7. 7Authentication and Federation Design5 min
  8. 8Authorization and Privileged Access4 min
  9. 9Cloud Security Design6 min
  10. 10Zero Trust Architecture5 min
  11. 11Advanced Cryptographic Concepts5 min
  12. 12Cryptographic Use Cases and Techniques5 min
Read the chapter overview →
3Security Engineering8 topics · 42 min fast trackIdentity faults, host hardening, network troubleshooting, hardware, legacy systems and automation.
  1. 1Troubleshooting IAM Components5 min
  2. 2Endpoint and Server Hardening5 min
  3. 3Network Security Faults and Attacks5 min
  4. 4Network Troubleshooting Tools and Method5 min
  5. 5Hardware Security Technologies6 min
  6. 6Specialized and Legacy Systems5 min
  7. 7Scripting and Infrastructure Automation6 min
  8. 8SOAR and AI Assisted Security5 min
Read the chapter overview →
4Security Operations7 topics · 35 min fast trackMonitoring, alerting, vulnerabilities, attacks, threat intelligence, hunting and incident evidence.
  1. 1Log Sources and SIEM Analysis5 min
  2. 2Alerting, Baselines and Reporting4 min
  3. 3Vulnerability Analysis and Prioritization5 min
  4. 4Attack Types and Mitigations6 min
  5. 5Threat Hunting and Intelligence5 min
  6. 6Incident Response and Evidence Handling5 min
  7. 7Analyzing Incident Artifacts5 min
Read the chapter overview →

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The full CompTIA SecurityX CAS-005 question bank has 654 questions, with timed practice exams and an explanation for every answer.

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