NIST 800-53 r5 · Controls catalogue · Family AC

AC-8System Use Notification

Display {{ insert: param, ac-08_odp.01 }} 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: Users are accessing a U.S. Government system; System usage may be monitored, recorded, and subject to audit; Unauthorized use of the system is prohibited and subject to criminal and civil penalties; and Use of the system indicates consent to monitoring and recording; 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 For publicly accessible systems: Display system use information {{ insert: param, ac-08_odp.02 }} , before granting further access to the publicly accessible system; Display references, if any, to monitoring, recording, or auditing that are consistent with privacy accommodations for such systems that generally prohibit those activities; and Include a description of the authorized uses of the system.

Last updated: 22 August 2026 07:11 UTC