Identification & Designation: It’s important to realize what, if any, CUI is generated for or on behalf of an agency within the Executive Branch under a contract and to then determine if the information falls into one of the more than one hundred categories of CUI in the National CUI Registry. It is also important to realize what is not CUI.
Marking/Labeling: It’s important to be familiar with the marking and labeling requirements for CUI, but digital and non-digital. At minimum, CUI markings for unclassified DOD documents will include the acronym “CUI” or “CONTROLLED” in the banner of the document. For documents containing CUI, it must have a CUI Designation Indicator (DI) Block to notify the recipient about information related to who originated the document.
Storing: Be advised that CUI must be stored in controlled environments that prevent or detect unauthorized access, with printed CUI documents requiring protection by at least one physical barrier, such as a cover sheet or a locked bin/cabinet. CUI may only be digitally stored in an authorized IT system/application provided it is:
Configured at no less than the Moderate Confidentiality impact value
Has limited access based on need, and
Meets the requirements of DOD's IT Security Policy.
Disseminating: Only authorized holders may disseminate in accordance with distribution statements, dissemination controls, and applicable laws.
Destroying: Be aware of destruction guidelines for CUI. A great reference is NIST SP 800-88: Guidelines for Media Sanitization.
Decontrolling: CUI must be decontrolled when the information no longer needs safeguarding.
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