The most important defense regulation you’ve never heard of

Compliance comes for every industry. Healthcare has HIPAA. Retail had the Payment Card Industry Data Security Standard. Now it’s defense industrial base (DIB). With the rollout of the Cybersecurity Maturity Model Certification (CMMC), the Department of War (DOW)—and Katie Arrington’s advocacy through her former role as DOW chief information officer—are forcing a generational shift in how the defense supply chain protects sensitive data. CMMC isn’t mere guidance. It’s a contractual line in the sand that won’t stop with mega defense contractors. CMMC covers the small and midsize businesses across the U.S. that keep the nation’s economy moving and its security intact. It will transform how contractors operate, how deals get done, and who gets to stay in the defense supply chain at all. The scale is hard to ignore. Tens of thousands of businesses are already on the wrong side of it. For the defense industrial base, this isn’t a policy tweak. It’s a seismic and costly shift. And for busines