Defense contractors aren't the only ones who need to implement NIST cybersecurity requirements for CUI. The big question has always been whether other agencies would require proof of implementation via the CMMC program. The GSA just revised their process for assessing nonfederal systems handling controlled unclassified information and it's way closer to NIST's Risk Management Framework than CMMC.

CIO-IT Security-21-112r1 (PDF): https://www.gsa.gov/system/files/Protecting-Controlled-Unclassified-Information-%28CUI%29-in-Nonfederal-Systems-and-Organizations-Process-%5BCIO-IT-Security-21-112-Rev-1%5D.pdf

Summit 7 Live San Diego: https://www.summit7.us/s7live