Assessment Objective

Determine if:

• AC-08a. [Assignment: system use notification] is displayed 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;
  • AC-08a.01 the system use notification states that users are accessing a U.S. Government system;
  • AC-08a.02 the system use notification states that system usage may be monitored, recorded, and subject to audit;
  • AC-08a.03 the system use notification states that unauthorized use of the system is prohibited and subject to criminal and civil penalties; and
  • AC-08a.04 the system use notification states that use of the system indicates consent to monitoring and recording;
• AC-08b. the notification message or banner is retained on the screen until users acknowledge the usage conditions and take explicit actions to log on to or further access the system;
• AC-08c.
  • AC-08c.01 for publicly accessible systems, system use information [Assignment: conditions] is displayed before granting further access to the publicly accessible system;
  • AC-08c.02 for publicly accessible systems, any references to monitoring, recording, or auditing that are consistent with privacy accommodations for such systems that generally prohibit those activities are displayed;
  • AC-08c.03 for publicly accessible systems, a description of the authorized uses of the system is included.

Assessment Methods

Examine

• Access control policy
• privacy and security policies, procedures addressing system use notification
• documented approval of system use notification messages or banners
• system audit records
• user acknowledgements of notification message or banner
• system design documentation
• system configuration settings and associated documentation
• system use notification messages
• system security plan
• privacy plan
• privacy impact assessment
• privacy assessment report
• other relevant documents or records

Interview

• System/network administrators
• organizational personnel with information security and privacy responsibilities
• legal counsel
• system developers

Test

• Mechanisms implementing system use notification

Incidencias vinculadas

• NIST -

  https://csrc.nist.gov/pubs/sp/800/53/r5/upd1/final