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CMMC Final Rule Published: Summit 7 Urges Defense Contractors to Prepare for Immediate Cybersecurity Contract Requirements

The Department of Defense mandates contractors achieve Cybersecurity Maturity Model Certification levels based on data sensitivity, with phased implementation starting Nov 9, 2025.

  • On September 9, 2025, the U.S. Department of Defense unveiled the final Cybersecurity Maturity Model Certification 2.0 rule, effective November 10, 2025.
  • The rule responds to past cyber breaches and rising threats by requiring contractors handling sensitive unclassified information to meet tiered cybersecurity standards.
  • The CMMC framework defines three compliance levels based on data sensitivity, from annual self-assessments at Level 1 to mostly third-party audits at Level 2 and government-led audits at Level 3.
  • Acting DoD CIO Katherine Arrington emphasized that ensuring the protection of U.S. national security is a primary obligation for vendors, which is demonstrated by their adherence to CMMC standards.
  • Contracting officers must include CMMC requirements in solicitations and only award contracts to vendors with current certifications, aiming to strengthen defense supply chain security.
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CMMC Final Rule Published: Summit 7 Urges Defense Contractors to Prepare for Immediate Cybersecurity Contract Requirements

HUNTSVILLE, Ala., Sept. 10, 2025 /PRNewswire/ -- The U.S. Department of War has published the long-awaited 48 CFR Final Rule, officially making the Cybersecurity Maturity Model Certification (CMMC) a binding requirement in defense contracts. This marks a watershed moment for…

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The Register broke the news in on Tuesday, September 9, 2025.
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