
Expired Credentials That Still Work: The Zombie Key Problem (NHI Kill Chain #5)
Secret scanning alert: Resolved. Credential status: Active. Deleting a secret from code is not the same as revoking it. Inside the Zombie Key kill chain.

A single Stripe API key was copied to 14 locations over three years. When a QA repo went public, the key was exposed — and revoking it meant breaking 14 services simultaneously.
