id: "AC-09(01)" title: "Unsuccessful Logons" family: "AC" family_name: "Access Control" sort_id: "ac-09.01" priority: "P1" implementation_level: "system" parent: "AC-09" enhancement: True
Statement
Notify the user, upon successful logon, of the number of unsuccessful logon attempts since the last successful logon.
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.
Assessment Objective
the user is notified, upon successful logon, of the number of unsuccessful logon attempts since the last successful logon.
Access control policy
procedures addressing previous logon notification
system design documentation
system configuration settings and associated documentation
system audit records
system security plan
other relevant documents or records
System/network administrators
organizational personnel with information security responsibilities
system developers
Mechanisms implementing access control policy for previous logon notification