PROACTIVE DEFENSE: HARDENING CODE PIPELINES AND CI/CD INFRASTRUCTURE

Summary from the TLDR DevOps newsletter

Ephemeral runners, short-lived OIDC credentials, immutable dependency references, and provenance verification limit opportunities for software supply-chain compromise. Isolating build caches by branch privilege, blocking untrusted pull requests from release secrets, and quarantining incoming dependencies help prevent malicious code from reaching trusted builds.