Training & Education

If your space does not clearly prevent unauthorized people from entering, seeing, or hearing CUI, it is probably not yet a true controlled environment. That is the gap organizations should be working to close.

Step-by-step 2026 guide to DoD CUI marking per DoDI 5200.48. Learn exact CUI banner rules, Designation Indicator block, portion markings, top categories, and common contractor mistakes to pass CMMC audits.