Governance Briefing — NIST releases SP 800-171 Revision 3 draft
NIST issued the initial public draft of SP 800-171 Rev. 3 on 10 May 2023, aligning controlled unclassified information safeguards with SP 800-53 Rev. 5 and CUI program updates.
NIST published the draft SP 800-171 Rev. 3 on 10 May 2023, revising the CUI security requirements to reflect SP 800-53 Rev. 5 controls, new supply-chain expectations, and clarified assessment objectives. The draft signals eventual updates to the companion assessment guide (SP 800-171A) and DoD’s CMMC program.
Defense contractors and suppliers handling CUI should review the draft deltas, plan control uplift for supply-chain risk and configuration management, and prepare comments ahead of finalization to mitigate surprises in future CMMC assessments.
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