X-CUI-NIST172 Informational
Apply Enhanced Safeguards for High-Value CUI (APT)
Official citation: NIST SP 800-172
Class: informational · Severity: high
Statement of the obligation — verify against source
NIST SP 800-172
What it means
Informational CUI obligation (Data-Type / Sector-Specific Safeguards).
Required by
- DIB — 32 CFR Part 2002
- IT/Cloud — 32 CFR Part 2002
Educational reference only — not legal advice. Consult a qualified assessor or attorney for binding compliance determinations.