What To Know: A Summary of the Compliance Guide to SSDF

This document summarizes NIST's Secure Software Development Framework (SSDF), describing its purpose to strengthen software supply chain security by focusing on four outcome pillars: Preparing the Organization, Protecting the Software, Producing Well‑Secured Software, and Responding to Vulnerabilities. It highlights U.S. government actions that require vendors to meet SSDF-related compliance (noting 42 specific requirements) and emphasizes the need for organizations to adopt processes and tools to achieve rapid attestation and reduce supply-chain risk.