AC-09.1 · Unsuccessful Logons

Control Description

Notify the user, upon successful logon, of the number of unsuccessful logon attempts since the last successful logon.

Impact Baselines
Security baselines where this control applies
Not in any baseline
Control Properties
SP800-53-enhancement
system
Enhancement
Control Statement
The control requirements

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.