SC-900 Ep 1: Shared Responsibility, Defense in Depth and the CIA Triad (2026)

Start here. What the SC-900 exam covers, the shared responsibility model across IaaS, PaaS and SaaS (and for AI), the seven layers of defense in depth, and the CIA triad. How to use it: every episode ends with three practice questions in real exam formats. Answer them before the next episode, which opens with the answers. 📑 Chapters: 0:00 Whose job is security? 1:28 Shared responsibility 4:30 What you always keep 6:37 Defense in depth 9:32 The CIA triad 10:59 Mixed drill and your questions 🎯 Exam area: Area 1: Concepts of security, compliance and identity (10-15%) Part of the SC-900 (Microsoft Security, Compliance, and Identity Fundamentals) course from Patch Notes AI: 17 episodes, 4 practice sets and 2 mock exams, built from Microsoft Learn for the skills measured as of October 21, 2026. Microsoft updates these products often. If something here has changed, tell me in the comments and I'll pin a correction. #SC900 #MicrosoftCertification #MicrosoftSecurity #Cybersecurity