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os_loginwindow_adminhostinfo_undefined Prevent AdminHostInfo from Being Available at LoginWindow

NIST macOS Security Compliance Project Sequoia Guidance, Revision 4.0 (be5491f)
All changes in this version
first version loaded macOS

Title

Prevent AdminHostInfo from Being Available at LoginWindow

Control

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

Discussion

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.

Related controls

ac-11.1

Fix

This is implemented by a Configuration Profile.