Reference: CMMC v2.13
Family: AC
Level Introduced: 2
Title: Control Public Information [CUI Data]
Practice:
Control CUI posted or processed on publicly accessible systems.
Further Discussion:
Only government officials can be authorized to release CUI to the public. Do not allow CUI to become public – always safeguard the confidentiality of CUI by controlling the posting of CUI on company-controlled websites or public forums, and the exposure of CUI in public presentations or on public displays. It is important to know which users are allowed to publish information on publicly accessible systems, like your company website, and implement a review process before posting such information. If CUI is discovered on a publicly accessible system, procedures should be in place to remove that information and alert the appropriate parties.
Example
Your company decides to start issuing press releases about its projects in an effort to reach more potential customers. Your company receives CUI from the government as part of its DoD contract. Because you recognize the need to manage controlled information, including CUI, you meet with the employees who write the releases and post information to establish a review process [c]. It is decided that you will review press releases for CUI before posting it on the company website [a,d]. Only certain employees will be authorized to post to the website [a].
Potential Assessment Considerations
• Does information on externally facing systems (i.e., publicly accessible) have a documented approval chain for public release [c]?
Implementation Strategies
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800-171 Requirements v2 (1)
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