// Level 4 · Control detail
AC-09MediumNIST 800-53 · Access Control

Previous Logon Notification

Notify the user, upon successful logon to the system, of the date and time of the last logon.

Get AI-powered control detail

Plain-English explanation, CLI checks, portal steps, remediation, automation snippets, and cross-framework mappings.

3/3 free lookups remaining today

Related controls in other frameworks

finding related controls…