AC-9(1) Unsuccessful Logons

Control enhancement of AC-9 Previous Logon Notification

Control

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

Discussion

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.

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Control catalog and framework text on this page is reproduced from official NIST publications — a public-domain work of the U.S. Government (17 U.S.C. §105). Maverc commentary, groupings, and readiness guidance are our own and are not part of any NIST publication.