Exam Therapy: Security Engineering — Secrets, Vaults, and the PKI You Thought You Understood

Andrew and Ava tackle two CAS-005 favorites: secrets management (vaults, rotation, revocation, audit) and PKI architecture (trust anchors, lifecycle, and why revocation is painfully not instant). Expect exam traps, operational reality, and emotional support for anyone who’s ever grepped a repo for “password=”.