Defense in depth and the CIA triad explained (SC-900 2026)

Defense in depth drawn out on a whiteboard: why layered security beats a single perimeter, the seven layers from physical security to data, and the CIA triad of confidentiality, integrity and availability, with the attacks that target each one. Lesson 2 of the SC-900 whiteboard course, with one practice question at the end. ▶ Practice SC-900 questions on this topic: https://skycloudprep.com/sc-900/quest... ▶ Next video: Zero Trust explained: principles and pillars (SC-900 2026)    • Видео   ▶ The full SC-900 course, in order:    • SC-900 Full Course: Microsoft Security, Co...   Chapters: 0:00 Intro 0:20 Defense in depth 0:58 The outer layers 2:17 The inner layers 3:32 The CIA triad 4:58 Which goal does the attack hit? 5:39 Recap 6:05 Practice question 6:24 Next up #SC900 #Azure #MicrosoftCertification