About This Study Plan
This 90-day study plan breaks the SECX (SecurityX) exam preparation into 3 focused study sessions with 12 actionable tasks. The plan covers all 4 exam domains — Security Architecture, Security Engineering and Cryptography, Security Operations, Governance, Risk, and Compliance — ensuring complete coverage. Comprehensive 90-day plan for CompTIA SecurityX (CAS-005).
Prerequisites
- 3+ years security experience
- 1–2 hours per day
Study Schedule
- Weeks 1–2: Enterprise security architecture, zero trust, cloud-native patterns
- Week 3: IoT/OT security, mobile security, and hybrid environments
- Week 4: Cryptography deep dive, PKI design, secure hardware
- End of month: Architecture decision practice questions
- Week 5: Advanced threat hunting and detection engineering
- Week 6: Incident response automation, SOAR, and forensics
- Week 7: Secure SDLC, DevSecOps, and supply chain security
- Week 8: Business continuity, M&A integration, and enterprise risk
- Week 9: Governance frameworks, compliance, privacy regulations
- Week 10: Multi-domain scenario practice
- Week 11: Full practice exam #1 + detailed review
- Week 12: Practice exam #2, architecture review, and final prep
Study Tips
Read security architecture case studies to build decision-making intuition.
This is an expert-level exam — focus on strategy over implementation details.
Practice explaining trade-offs between competing security approaches.
Recommended CompTIA Study Resources
Supplement this study plan with the official CompTIA CertMaster labs and practice tests. Download the free exam objectives PDF from CompTIA's website and use it as a checklist — cross off each objective as you master it. Professor Messer's free video series covers every CompTIA exam objective and is widely regarded as one of the best free resources available.
Ready to Practice?
Put your study plan into action with SecurityX practice questions.