CMMC Level 3 Software Supply Chain Checklist 2026
A senior engineer's CMMC Level 3 checklist focused on software supply chain: SBOM, SC-SR controls, SSP evidence, and the operational gaps most defense contractors still have.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
A senior engineer's CMMC Level 3 checklist focused on software supply chain: SBOM, SC-SR controls, SSP evidence, and the operational gaps most defense contractors still have.
DoD's CMMC program rule became effective December 16, 2024 with a four-phase rollout running through November 2028. The companion DFARS rule landed September 10, 2025.
NIST published 800-171 Rev. 3 on May 14, 2024. Twelve days earlier, DoD froze DFARS 7012 to Rev. 2 via Class Deviation 2024-O0013.
The January 15, 2025 FAR CUI rule extends NIST SP 800-171 to every federal contractor and adds an 8-hour incident reporting clock for non-federal facilities.
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