ci-cd-security

Securing GitHub Actions workflows with least privilege involves scoping permissions explicitly for build, test, and deployment stages. This approach restricts token access to only what is necessary, reducing the risk of unauthorized repository modifications.

Pinning GitHub Actions to commit SHAs prevents drift and ensures reproducible builds. Immutable SHA references protect your supply chain from tag reassignment attacks, guaranteeing the action code remains unchanged over time.

Hardening CI/CD runners and managing secrets requires implementing unified security baselines. This includes restricting runner environments and applying strict secret access controls to prevent unauthorized data exposure across pipeline stages.

Adding supply-chain controls to CI/CD pipelines involves integrating automated dependency reviews and code scanning. This validates third-party components and detects vulnerabilities before deployment, establishing a secure software development lifecycle.

This CI/CD security guidance is specifically tailored for GitHub Actions. It provides templates and baseline controls designed for GitHub repositories and may not directly apply to other continuous integration platforms.

You can use these secure workflow templates to audit existing CI/CD processes. They provide a baseline for least-privilege permissions, SHA pinning, and runner hardening, helping teams verify their pipelines meet secure SDLC standards.