NIST 800-53 Rev. 5

AC-9(2): Previous Logon Notification | Successful and Unsuccessful Logons

Control Text:

Notify the user, upon successful logon, of the number of [Selection: successful logons; unsuccessful logon attempts; both] during [Assignment: organization-defined time period].

Information about the number of successful and unsuccessful logon attempts within a specified time period allows the user to recognize if the number and type of logon attempts are consistent with the user’s actual logon attempts.

Related Controls

  • None