NIST 800-53 rev.5/Access Control/79 of 1011
AC-09 (02)Previous Logon Notification | Successful and Unsuccessful Logons
Control family: Access Control
Control description
Notify the user, upon successful logon, of the number of [Selection (one): successful logons; unsuccessful logon attempts; both] during [Assignment: organization-defined time period].
How to implement
Coming in phase 2Step-by-step guidance for implementing this control on Microsoft Azure, using services such as Azure Policy, Microsoft Defender for Cloud and Entra ID. It will be matched to your environment.