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Key Takeaways

  • Use domain-weighted study rather than equal study because operations, identity, compliance, and infrastructure are the largest areas.
  • Review mistakes by architecture failure mode: wrong trust boundary, weak privilege model, incomplete resilience, or poor governance fit.
  • SC-100 prep works best when you explain tradeoffs out loud, not just memorize product names.
  • Finish with mixed timed sets because expert-level questions often make several answers sound plausible.
Last updated: March 2026

Six-Week SC-100 Plan

Week 1

  • Zero Trust principles
  • Microsoft security reference architectures
  • security best practices, priorities, and ransomware resilience

Week 2

  • Entra identity and hybrid identity design
  • Conditional Access and modern auth
  • privileged access and enterprise access model

Week 3

  • Sentinel, Defender XDR, logging, MITRE mapping
  • incident response ownership
  • compliance, privacy, and evidence mapping

Week 4

  • Defender for Cloud posture strategy
  • Azure Arc, attack surface management, network security, SSE
  • endpoint, IoT, OT, and workload protection constraints

Week 5

  • secure application lifecycle
  • workload identities and API protection
  • Microsoft 365 protection, Purview, Copilot governance
  • Azure data and storage security

Week 6

  • timed mixed practice
  • explain why each correct architecture is better than the distractors
  • revisit weak areas from AZ-500, SC-200, or SC-300 knowledge gaps

If you already work in Microsoft security, the biggest SC-100 risk is often implementation bias: knowing one product well and overusing it in scenarios where the better answer is a broader architecture change.

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