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SI-21
Information Refresh
System and Information Integrity (SI)
Baselines
Low · Not includedModerate · Not includedHigh · Not included
Description
Refresh [assignment] at [assignment] or generate the information on demand and delete the information when no longer needed.
Discussion
Retaining information for longer than it is needed makes it an increasingly valuable and enticing target for adversaries. Keeping information available for the minimum period of time needed to support organizational missions or business functions reduces the opportunity for adversaries to compromise, capture, and exfiltrate that information.
Implementation guidance
No content available.
CSF 2.0 crosswalk
No CSF mappings exist for this control.