
CUI Document Marking Requirements and CMMC 2.0
Controlled Unclassified Information (CUI) document marking requirements apply to a wide range of users who access information related to the U.S. government. CUI is unclassified information that requires safeguards or dissemination controls in accordance with governmental regulations and policies. CUI is categorized into 20 “Organizational Index Groupings” to address sectors such as Defense, Export Control,














