NIST 800-171 for defense contractors: the CMMC path
From DFARS clause to CMMC Level 2: scoping CUI, building the SSP, and sequencing readiness before the C3PAO assessment.
If your contracts reference DFARS 252.204-7012 or 7021, you live under 800-171 and CMMC. Here's the path in the right order.
Step 1: scope your CUI
Map where CUI lives, flows, and rests. Everything in scope gets the full requirement set; everything out doesn't. Scoping discipline is the single biggest cost lever — segment ruthlessly before you pay for assessment.
Step 2: build the SSP and POA&M
Document how each requirement is met (SSP) and track every gap with owners and dates (POA&M). Firms in our directory tagged for the defense stage — Summit 7, SecureStrux, Sera-Brynn, Peak InfoSec, Pivot Point Security — do this implementation work.
Step 3: readiness, then the C3PAO
A readiness assessment finds the gaps cheaply; the authorized C3PAO assessment (Redspin is one in our directory) verifies. Never reverse the order. See CMMC vs 800-171 for why, and the timeline for realistic durations.
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