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

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-259423SRG-OS-000029-GPOS-00010APPL-14-000009SV-259423r958402_rule2024-12-042
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.
ℹ️ Check
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
Configure the macOS system to prevent AdminHostInfo from being available at LoginWindow by installing the "com.apple.loginwindow" configuration profile.