AZ-400 — Lesson 3: Security, Governance, and Troubleshooting

Topics Covered

• Security scanning, secrets, and supply-chain controls
• Testing, observability, and release quality
• Failure diagnosis, rollback, and recovery
• Continuous improvement using delivery metrics
• Identity, privacy, compliance, and responsible operation
• Diagnostics, logs, reports, and root-cause analysis
• Corrective actions and operational runbooks

Practical Activity

Investigate a security, quality, or operational issue and prepare an evidence-based corrective-action plan.

• Document assumptions, selected features or services, and expected outcomes.
• Record validation evidence, risks, dependencies, and corrective actions.
• Summarize the decision in a reusable implementation or operations note.

Lesson Outcome

Learners can explain and apply the lesson topics within a realistic Azure DevOps scenario.