SP 800-172 Rev. 3, Enhanced Security Requirements for Protecting Controlled Unclassified Information
In effectNIST · NIST Special Publication · May 13, 2026
Summary
Current enhanced security requirements for CUI in nonfederal systems that face advanced persistent threats, realigned with Special Publication 800-171 Revision 3.
Replaces
What FedXchange has recorded
No changes recorded. The watch records a new document and any change in its status.
- Issuer
- National Institute of Standards and Technology (NIST)
- Type
- NIST Special Publication
- Number
- SP 800-172 Rev. 3
- Issued
- May 13, 2026
- Status
- In effect
Still in force, possibly with amendments.
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