DevOps Coach

Oct 9, 2025 · Information Security

How to Harden GitHub Actions: Proven Security Practices for Safer CI/CD

This guide explains why GitHub Actions need protection, reviews core concepts, and provides step‑by‑step hardening measures—including read‑only token defaults, trusted action sources, branch‑protection rules, secret management, explicit permissions, SHA pinning, and runner security—to keep CI/CD pipelines safe from real‑world attacks.