AC-8 System Use Notification

a. Display organization-defined system use notification message or banner to users before granting access to the system that provides privacy and security notices consistent with applicable laws, executive orders, directives, regulations, policies, standards, and guidelines and state that: 1. Users are accessing a U.S. Government system; 2. System usage may be monitored, recorded, and subject to audit; 3. Unauthorized use of the system is prohibited and subject to criminal and civil penalties; and 4. Use of the system indicates consent to monitoring and recording; b. Retain the notification message or banner on the screen until users acknowledge the usage conditions and take explicit actions to log on to or further access the system; and c. For publicly accessible systems: 1. Display system use information organization-defined conditions, before granting further access to the publicly accessible system; 2. Display references, if any, to monitoring, recording, or auditing that are consistent with privacy accommodations for such systems that generally prohibit those activities; and 3. Include a description of the authorized uses of the system.

Source: NIST SP 800-53 Rev 5, AC-8. The statement above is our statement of the clause, read from the published text and cited so you can check it against the official text, not the instrument verbatim. Open NIST SP 800-53 Rev 5 in the compliance library.

Base controls and their enhancements. Which apply follows the baseline you are assessed against (for example FedRAMP Moderate or High, or the low, moderate and high baselines of SP 800-53B). Text in square brackets is a parameter your organisation sets.