Apple macOS 15 (Sequoia) Security Technical Implementation Guide

The Apple macOS 15 (Sequoia) Security Technical Implementation Guide (V1 R8) has 160 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R8

CurrentPublished Wed Sep 30 2026

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

Apple macOS 15 (Sequoia) Security Technical Implementation Guide

Assessment Title

Rule Text

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

Description

Discussion Text

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.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-268425

Rule

SV-268425r1034215_rule

Severity

medium

Rule Version

APPL-15-000009

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

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.

Implementation Procedure

Fix Text

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

STIG check 6 of 160 in the Apple macOS 15 (Sequoia) STIG checklist

← Previous · V-268424The macOS system must disable hot corners.Next · V-268426 →The macOS system must automatically remove or disable temporary or emergency user accounts within 72 hours.