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Disclaimer: ExamOS is an independent platform, not affiliated with any certification provider, and does not use or distribute exam dumps.
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Study Plan

Microsoft Cybersecurity Architect (SC-100) – Study Plan

A 10-week expert‑level plan for SC-100. Design Zero Trust, security operations, and compliance strategies across Microsoft 365, Azure, and hybrid environments.

MicrosoftSC-100Security architects with 3+ years experience, SC-300 and AZ-500 recommended11-Apr-2026
Start date: _______________Target exam date: _______________
10 WeeksDuration
~80 hrsTotal Study Time
3 ModesRookie·Challenger·Legend

Stay consistent by setting a target date for this certification.

Set target

How to use this plan

  1. 1Start each week by reading Microsoft Learn modules and reviewing reference architectures.
  2. 2Take ExamOS quizzes in the recommended mode:
  3. 3Repeat the weekly Challenger quiz until you pass it 2–3 times in a row.
  4. 4Only move to Legend mode after you have consistent Challenger passes.
Rookie ModeChallenger ModeLegend Mode

Week-by-Week Breakdown


W1

Week 1

Foundation & Self‑Assessment

Topics

  • SC-100 exam domains (Zero Trust, security posture, incident response, compliance)
  • Microsoft Security portfolio (Defender, Sentinel, Entra ID, Purview)
  • Zero Trust principles (verify explicitly, least privilege, assume breach)

Activities

  • Review the official SC-100 study guide.
  • Explore Microsoft’s Zero Trust maturity model.
  • Take ExamOS Rookie mode quiz (30 questions) on foundational concepts.
  • Note weak domains.
W2

Week 2

Zero Trust Identity & Access

Topics

  • Microsoft Entra ID (Azure AD) – identity governance, Conditional Access
  • Privileged Identity Management (PIM) and Identity Protection
  • External identities (B2B, B2C)
  • Zero Trust identity posture assessment

Activities

  • Design a Conditional Access policy for a remote workforce.
  • Configure PIM for a sample admin role.
  • Take ExamOS Challenger mode quiz on Identity & Zero Trust.
W3

Week 3

Zero Trust Endpoints & Data

Topics

  • Microsoft Defender for Endpoint (MDE) – attack surface reduction, EDR
  • Defender for Cloud Apps (CASB)
  • Microsoft Purview (data classification, DLP, insider risk)
  • Information protection and encryption

Activities

  • Create a data loss prevention (DLP) policy in Purview.
  • Review Defender for Endpoint threat analytics.
  • Take ExamOS Challenger mode quiz on Endpoint & Data.
W4

Week 4

Zero Trust Network & Infrastructure

Topics

  • Azure network security (NSGs, Azure Firewall, DDoS protection)
  • Private access (Azure Private Link, VPN, ExpressRoute)
  • Microsegmentation and just‑in‑time access
  • Defender for Cloud workload protection

Activities

  • Design a hub‑and‑spoke network with security controls.
  • Implement just‑in‑time VM access in Defender for Cloud.
  • Take ExamOS Challenger mode quiz on Network & Infrastructure.
W5

Week 5

Security Operations (SecOps)

Topics

  • Microsoft Sentinel (SIEM/SOAR) – data ingestion, analytics rules, playbooks
  • Incident response lifecycle (detect, investigate, respond, recover)
  • Threat hunting with KQL (Kusto Query Language)
  • Integration with Microsoft 365 Defender

Activities

  • Create a custom analytics rule in Sentinel.
  • Build a playbook using Logic Apps.
  • Take ExamOS Challenger mode quiz on SecOps.
W6

Week 6

Compliance, Governance & Risk

Topics

  • Microsoft Purview compliance (Compliance Manager, Insider Risk)
  • Azure Policy, Blueprints, and Management Groups
  • Regulatory standards (GDPR, ISO 27001, NIST)
  • Compliance score and improvement actions

Activities

  • Assess a sample environment’s compliance posture.
  • Apply an Azure Policy initiative.
  • Take ExamOS Challenger mode quiz on Compliance & Governance.
W7

Week 7

Threat Modelling & Architecture Review

Topics

  • STRIDE and OCTAVE methodologies
  • Architecture threat modelling for Azure and Microsoft 365
  • Reviewing security controls (preventive, detective, corrective)
  • Security recommendations from Microsoft (Well‑Architected Framework)

Activities

  • Perform a threat model for a sample web application.
  • Map mitigations to Microsoft security services.
  • Take ExamOS Challenger mode quiz on Threat Modelling.
W8

Week 8

Migration & Hybrid Scenarios

Topics

  • Cloud adoption framework (CAF) security
  • Migrating workloads with Azure Migrate, Defender for Cloud
  • Hybrid identity (Entra AD Connect, PTA, federation)
  • Extending security to on‑premises and other clouds

Activities

  • Design a hybrid identity solution for a merger.
  • Plan a security migration from on‑prem to Azure.
  • Take ExamOS Challenger mode quiz on Migration & Hybrid.
W9

Week 9

Full‑Domain Practice & Weak Area Review

Topics

  • Full syllabus review (all domains)
  • Time management for 60 questions (120 minutes)

Activities

  • Take ExamOS Challenger mode full quizzes (at least 3).
  • Review every incorrect answer; study the explanation.
  • Identify weak domains and retake targeted quizzes (premium “Focus mode”).
  • Repeat until you pass 3 Challenger quizzes in a row.
Consistent >70% on Challenger mode.
W10

Week 10

Legend Mode & Exam Simulation

Topics

  • Realistic exam simulation (60 questions, 120 minutes)
  • Case study design questions

Activities

  • Take ExamOS Legend mode full quizzes (at least 3).
  • Simulate the full 120‑minute exam.
  • Review every incorrect answer.
  • Once you pass Legend mode twice in a row, schedule your real exam.
Consistent >80% on Legend mode.

Daily Study Routine

Suggested 2–3 Hour Day

TimeActivity
15 minReview weak questions
60 minMicrosoft Learn modules
30 minHands‑on lab (Azure portal, Sentinel, Purview)
30 minExamOS quiz
15 minReview explanations

Stay consistent by setting a target date for this certification.

Set target
Goal:Baseline understanding of Microsoft security architecture.
Rookie ModeSign in to practice
Rookie Mode
  • Repeat until you pass 2 times in a row.
  • Goal:2 consecutive Challenger passes on identity design.
    Challenger ModeSign in to practice
    Challenger Mode
  • Repeat until 2 consecutive passes.
  • Goal:Protect data and endpoints in Zero Trust architectures.
    Challenger ModeSign in to practice
    Challenger Mode
  • Repeat until 2 consecutive passes.
  • Goal:Secure hybrid and multi‑cloud network connectivity.
    Challenger ModeSign in to practice
    Challenger Mode
  • Repeat until 2 consecutive passes.
  • Goal:Operationalise threat detection and response.
    Challenger ModeSign in to practice
    Challenger Mode
  • Repeat until 2 consecutive passes.
  • Goal:Align security with business and regulatory requirements.
    Challenger ModeSign in to practice
    Challenger Mode
  • Repeat until 2 consecutive passes.
  • Goal:Identify and address security gaps in designs.
    Challenger ModeSign in to practice
    Challenger Mode
  • Repeat until 2 consecutive passes.
  • Goal:Securely extend Microsoft security to any environment.
    Challenger ModeSign in to practice
    Challenger Mode
    Goal:
    Challenger ModeSign in to practice
    Challenger Mode
    Goal:
    Legend ModeSign in to practice
    Legend Mode