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APPL-15-000009 The macOS system must prevent AdminHostInfo from being available at LoginWindow.

DISA STIG library V1R8
All changes in this version
first version loaded CAT II

Maps to AC-11(1) via CCI-000060

Title

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

Control

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.

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

CCI-000060

Fix

Configure the macOS system to prevent AdminHostInfo from being available at LoginWindow by installing the "com.apple.loginwindow" configuration profile.