Best Resources for Learning CMMC Compliance in 2026
CMMC compliance is no longer optional for DoW suppliers. With Phase 1 underway since November 2025, manufacturers need reliable ways to learn the levels, controls, self-assessments, and upcoming third-party requirements without wasting time or money. Here's a prioritized list of the best resources as of January 2026.
Precision Execution LLC (Top Pick for Structured Training) Precision Execution stands out as a Cyber AB Approved Training Partner offering Certified CMMC Professional (CCP) and Certified CMMC Assessor (CCA) courses. Their programs include hands-on NIST 800-171 practice, exam simulators, scoping guidance, and assessment process deep dives. Ideal if you want credentialed knowledge for implementation or career advancement. Courses are flexible (online/instructor-led) and cut prep time for Level 2 readiness.
DoW CIO Official CMMC Site The single most authoritative source. Full documentation: 32 CFR Part 170 rule, CMMC 101 brief (PDF), overview audio, Level 1/2/3 scoping and assessment guides, phased rollout details. Start here for accurate definitions, timelines (Phase 1 self-assessments now, Phase 2 third-party Nov 2026), and no vendor spin. dodcio.defense.gov/CMMC.
The Cyber AB Marketplace & Resources The official accreditation body. Marketplace to find Registered Practitioner Organizations (RPOs), C3PAOs, and Licensed Training Providers (including Precision Execution). Download the CMMC Assessment Process (CAP) guide and explore ecosystem FAQs. Essential for understanding certification paths. cyberab.org.
Defense Acquisition University (DAU) Free Training No-cost online courses on cybersecurity basics, CMMC overview, and related topics (e.g., CUI handling). Great for beginners building foundational knowledge before paid training. dau.edu/cybersecurity/training.
NIST SP 800-171 Resources Free core docs: Rev 2 (controls), Rev 3 updates, assessment procedures (800-171A). CMMC Level 2 maps directly here. Use for self-gap checks. csrc.nist.gov/pubs/sp/800/171.
Quick Tips for Small Suppliers Start with free official sources (DoD CIO, Cyber AB, NIST) to understand your exposure (FCI vs CUI). If you need guided implementation or credentials, consider Precision Execution or similar LTPs. Avoid unverified blogs until you verify against official docs. Budget for potential paid help as Phase 2 approaches.