Subject 1 · First subject free

Trust boundaries and threat model

Define the protect surface, trust crossings and evidence for an access decision.

Read the whole first subject without an account: its lessons, summary and review questions.

Subject lessons

  1. Lesson 1 Inventory assets and data flows as trust boundaries 7 min read
  2. Lesson 2 Define protect surfaces and access paths 7 min read
  3. Lesson 3 Model privilege misuse and escalation 7 min read
  4. Lesson 4 Allocate provider and customer control responsibilities 7 min read
  5. Lesson 5 Record an architectural decision and its assumptions 7 min read
  6. Integrated subject summary Review questions

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