--- title: "CMMC Final Rule: A Guide for DoD Subcontractors" url: https://daily.dev/posts/cmmc-final-rule-a-guide-for-dod-subcontractors-tfbc4torl source_url: https://www.huntress.com/blog/cmmc-final-rule-guide-for-dod-subcontractors type: article source: "Huntress Blog" published: 2026-05-31T07:42:47.552Z updated: 2026-05-31T08:31:55.016Z tags: ["security"] reading_time: 6 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # CMMC Final Rule: A Guide for DoD Subcontractors **[Huntress Blog](https://daily.dev/sources/huntress-blog)** · 6 min read · 0 upvotes · 0 comments ## Summary The DoD released the final CMMC rule on September 10, 2025, effective November 10, 2025. DoD subcontractors handling CUI must obtain a Level 2 certification via a third-party C3PAO assessment, requiring a perfect score of 110/110 (or at least 88 for a conditional cert). With only ~82 certified C3PAOs for potentially 80,000+ contractors needing Level 2, a severe bottleneck is expected — making early preparation critical. Key preparation areas include technology (SIEM, endpoint protection), documented processes, and a System Security Plan. Prime contractors will enforce flow-down requirements, meaning subs must be certified to remain in the supply chain. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [CMMC Updates: DoW Pause and Huntress Hits 50% of Requirements](https://daily.dev/posts/cmmc-updates-dow-pause-and-huntress-hits-50-of-requirements-oepmwqafj) · Huntress Blog · 0 upvotes · 0 comments - [Pentagon publishes final cybersecurity rules for contractors](https://daily.dev/posts/pentagon-publishes-final-cybersecurity-rules-for-contractors-nbmxlp9gb) · The Register · 0 upvotes · 0 comments - [Two Six Technologies Successfully Achieves CMMC Level 2 Certification](https://daily.dev/posts/two-six-technologies-successfully-achieves-cmmc-level-2-certification-zhhbzylpx) · Two Six Technologies · 0 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security) [View this post on daily.dev](https://daily.dev/posts/cmmc-final-rule-a-guide-for-dod-subcontractors-tfbc4torl)