NIST 800-161 — also identified as NIST Special Publication (SP) 800-161 — was published in April 2015 as Supply Chain Risk Management Practices for Federal Information Systems and Organizations. In May 2022, a year after President Biden’s Executive Order on Improving the Nation’s Cybersecurity, NIST produced a revised version, NIST 800-161 rev. 1 Cybersecurity Supply Chain Risk Management Practices for Systems and Organizations.