SP 800-172, Enhanced Security Requirements for Protecting Controlled Unclassified Information: A Supplement to NIST Special Publication 800-171
WithdrawnNIST · NIST Special Publication · February 2, 2021
Summary
Added enhanced security requirements for CUI in critical programs and high value assets facing advanced persistent threats, such as penetration-resistant architecture and damage-limiting operations.
Replaced by
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
- Issued
- February 2, 2021
- Status
- Withdrawn
Withdrawn by its issuer (NIST's term).
Withdrawn by NIST on May 13, 2026, when Revision 3 was published, though DoD's Cybersecurity Maturity Model Certification rule (32 CFR part 170) still relies on it for Level 3.
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