BaselineWatch
Desk

AC-09(04) Additional Logon Information

NIST SP 800-53 (controls) 5.2.0 against 5.2.0
All changes in this version
unchanged AC part of AC-9

Title

Additional Logon Information

Control

Notify the user, upon successful logon, of the following additional information: [Assignment: additional information].

Discussion

Organizations can specify additional information to be provided to users upon logon, including the location of the last logon. User location is defined as information that can be determined by systems, such as Internet Protocol (IP) addresses from which network logons occurred, notifications of local logons, or device identifiers.

Parameters

ac-09.04_odp: additional information

Assessment objective

AC-09(04) the user is notified, upon successful logon, of [Assignment: additional information].

STIG rules that implement this control 0

No followed STIG rule cites a CCI indexed to this control (CCI list 2026-07-14).