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NIST 800-53 rev.5

NIST 800-53 rev.5/Access Control/76 of 1011

AC-08System Use Notification

Control family: Access Control

Control description

a. Display [Assignment: 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 [Assignment: 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.

How to implement

Coming in phase 2Step-by-step guidance for implementing this control on Microsoft Azure, using services such as Azure Policy, Microsoft Defender for Cloud and Entra ID. It will be matched to your environment.