NIST-SI-14(2) Non-persistent Information

(a) [Selection (one of): refresh {{ insert: param, si-14.02_odp.02 }} {{ insert: param, si-14.02_odp.03 }} ; generate {{ insert: param, si-14.02_odp.04 }} on demand] ; and (b) Delete information when no longer needed.

Retaining information longer than is needed makes the information a potential target for advanced adversaries searching for high value assets to compromise through unauthorized disclosure, unauthorized modification, or exfiltration. For system-related information, unnecessary retention provides advanced adversaries information that can assist in their reconnaissance and lateral movement through the system.