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The macOS system must prevent AdminHostInfo from being available at LoginWindow.


Overview

Finding ID Version Rule ID IA Controls Severity
V-259423 APPL-14-000009 SV-259423r940891_rule Medium
Description
The system must be configured to not display sensitive information at the LoginWindow. The key AdminHostInfo when configured will allow the HostName, IP Address, and operating system version and build to be displayed.
STIG Date
Apple macOS 14 (Sonoma) Security Technical Implementation Guide 2024-01-10

Details

Check Text ( C-63162r940889_chk )
Verify the macOS system is configured to prevent AdminHostInfo from being available at LoginWindow with the following command:

/usr/bin/osascript -l JavaScript << EOS
$.NSUserDefaults.alloc.initWithSuiteName('com.apple.loginwindow')\
.objectIsForcedForKey('AdminHostInfo')
EOS

If the result is not "false", this is a finding.
Fix Text (F-63070r940890_fix)
Configure the macOS system to prevent AdminHostInfo from being available at LoginWindow by installing the "com.apple.loginwindow" configuration profile.