NIST SP 800-53 Rev. 5
AC-21
Access Control

Information Sharing

Description

a. Enable authorized users to determine whether access authorizations assigned to a sharing partner match the information’s access and use restrictions for [organization-defined parameter] ; and b. Employ [organization-defined parameter] to assist users in making information sharing and collaboration decisions.

Mapped SPARTA techniques

67 techniques

Cite as SafeMode Space, nist-80053-rev5 AC-21.

Built 2026-07-25 from 216 techniques, 334 regulation articles, 125 ENISA controls, 2,610 framework controls, and 90 countermeasures.