The new enhanced security requirements in SP 800-172r3 support cyber resiliency objectives, focus on protecting CUI, and are consistent with the source controls in SP 800-53r5. SP 800-172Ar3 provides a set of assessment procedures for the enhanced security requirements. Comments are due November 14, 2025.
NIST has released Special Publication (SP) 800-88r2 (Revision 2), Guidelines for Media Sanitization.