Software Supply Chain Best Practices [Cheat Sheet]

After reading this cheat sheet, you’ll be able to:

• Establish a verifiable chain of trust across your build systems and artifacts using tools like Cosign and Sigstore.

• Harden CI/CD pipelines with SLSA framework guidance, security scanning, and policy-as-code enforcement.

• Generate and validate SBOMs to eliminate blind spots and detect dependency drift early.

• Apply least privilege principles to your CI infrastructure, including IAM controls and scoped secrets.

• Lock down your artifact repositories to prevent poisoned packages and unauthorized access

Is this cheat sheet for me?

This cheat sheet is built for:

• Cloud security engineers and DevSecOps teams looking to shift left and catch issues earlier

• Platform engineers and SREs managing build pipelines and artifacts

• AppSec and GRC pros formalizing supply chain controls and audit readiness

• Anyone responsible for securing code, containers, IaC, or pipelines in production environments

Whether you're locking down GitHub Actions, generating SBOMs, or investigating a suspicious package, this cheat sheet will help.

What's included?

• Step-by-step best practices across 6 critical domains

• Command-line snippets, YAML configs, and real CI examples

• An overview of how Wiz Code supports unified, code-to-cloud software supply chain security