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5 Whys

Chapter: Chapter 8 — Tools, Techniques & Practices ACT/GTM: ACT Command: /redteam 5-whys

Iterative why-questions to reach root causes and hidden assumptions.

15–30 min; incident; recurring symptom fixes.

State problem → why? ×5 → validate root → distinguish symptom vs cause.

Category: analytical. RedTeam may extend or alias this technique.

Part of The Red Team Handbook, Version 10, maintained by Curate Labs — successor to the defunct UFMCS v9.0 work. See SOURCE.md and NOTICE.md.