AC-9(1): Unsuccessful Logons
Control Family:
Parent Control:
Baselines:
(Not part of any baseline)
Previous Version:
- NIST Special Publication 800-53 Revision 4:
- AC-9(1): Unsuccessful Logons
Control Statement
Notify the user, upon successful logon, of the number of unsuccessful logon attempts since the last successful logon.
Supplemental Guidance
Information about the number of unsuccessful logon attempts since the last successful logon allows the user to recognize if the number of unsuccessful logon attempts is consistent with the user's actual logon attempts.