NIST SP 800-53 Rev. 5
SI-21
System and Information Integrity

Information Refresh

Description

Refresh [organization-defined parameter] at [organization-defined parameter] or generate the information on demand and delete the information when no longer needed.

Mapped SPARTA techniques

72 techniques

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

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