This guide outlines eight best practices for securing the software supply chain. The sectioned layout covers securing open source dependencies with SCA tools, scanning containers, testing custom code with SAST, and validating infrastructure configurations with IaC scanning. It also highlights securing build pipelines, enforcing SCM protections, managing secrets safely, and vetting third-party tools. Each section emphasizes early detection, continuous monitoring, and automation. The guide stresses that vulnerabilities can originate from any layer—code, dependencies, pipelines, or configurations. The key takeaway is that end-to-end supply chain security requires layered controls across development, infrastructure, and external dependencies.

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