The Controlled Unclassified Information Office (CUI) is an office within the National Archives and Records Administration (NARA) that is responsible for overseeing the government-wide implementation of the Controlled Unclassified Information (CUI) program. The CUI program was established in 2010 to provide a standardized approach to the marking, handling, and dissemination of unclassified information that requires safeguarding or dissemination controls.