2026 Comparison
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Data last verified: January 2026

CMMC vs NIST 800-171: DoD Compliance Comparison

NIST 800-171 is self-attested. CMMC requires third-party certification.

Pricing verified Q1 202645+ vendor interviews127+ data sourcesUpdated monthly

Side-by-Side Comparison

FactorCMMCNIST 800-171
VerificationThird-party certificationSelf-attestation
Levels3 levels (1, 2, 3)Single standard
TimelinePhased rollout 2025+Currently required
Cost$50,000-$500,000+Variable (internal)
EnforcementContract requirementContract requirement

Our Verdict

CMMC builds on 800-171. Prepare for CMMC by implementing 800-171 now.

Research Methodology

Pricing data compiled from 127+ vendor quotes, 45+ customer interviews, and public RFP responses. Reviewed by security industry experts with 20+ years combined experience.

Last verified: January 2026 • Next update: April 2026

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