"Now that the Executive Order has been issued ... Users are forced to select the pre-programmed CUI markings from a drop down list in Microsoft Office and Outlook before they can save, send or print ...

The mandatory marking for all Department of Defense CUI is the CUI banner and footer with the CUI designation indicator. This is the main marking which appears at the top and bottom of all ...

Before the establishment of the CUI Program under EO 13556 in 2010, agencies used various markings like “for official use only,” a.k.a. FOUO, or “sensitive but unclassified,” or SBU ...

Yet CUI marking is a major area of confusion and many firms handling CUI don’t yet have the mandated security controls in place. Many don’t even know what their contract clauses (e.g., DFARS 7 ...