In this Article

• NIST Special Publication 800-172 (formerly known as 171B) “Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations: Enhanced Security Requirements for High-Value Assets” was released in February 2021.
• The special publication identifies requirements for protecting CUI that is a part of a critical program or high-value asset.
• Learn how the CMMC will incorporate NIST SP 800-172, at which levels, and how this could affect your organization’s contract with the DOD.

The Background of NIST SP 800-172

Previously known as NIST SP 800-171B with drafts released in June 2019 and July 2020, the final version of the National Institute of Standards and Technology (NIST) Special Publication (SP) 800-172 arrived in February 2021.