ComplianceONE Blog

Compliance insights for small defense suppliers

Guides, framework crosswalks and checklists for CMMC, NIST 800-171, FedRAMP and the rest of federal cybersecurity compliance.

Guide

NIST 800-171 Rev 2 vs Rev 3: what changed

NIST withdrew Rev 2 (110 requirements) in May 2024 for Rev 3 (97 by our count, 17 families). CMMC Level 2 still cites Rev 2 in 32 CFR 170 (eCFR, Oct 2026).

Checklist

CMMC Level 1 self-assessment checklist

Check the 15 FAR 52.204-21 requirements, score each MET or NOT MET, keep your evidence, and have a senior official affirm the result in SPRS every year.

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