Apple macOS 26 (Tahoe) Security Technical Implementation Guide

The Apple macOS 26 (Tahoe) Security Technical Implementation Guide (V1 R4) 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 · R4

CurrentPublished Wed Sep 30 2026

The macOS system must issue or obtain public key certificates from an approved service provider.

Apple macOS 26 (Tahoe) Security Technical Implementation Guide

Assessment Title

Rule Text

The macOS system must issue or obtain public key certificates from an approved service provider.

Description

Discussion Text

The organization must issue or obtain public key certificates from an organization-approved service provider and ensure only approved trust anchors are in the System Keychain.

Satisfies: SRG-OS-000403-GPOS-00182, SRG-OS-000775-GPOS-00230

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

Objective

V-277143

Rule

SV-277143r1268247_rule

Severity

medium

Rule Version

APPL-26-003001

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Verify the macOS system is configured to issue or obtain public key certificates from an approved service provider with the following command:

/usr/bin/security dump-keychain /Library/Keychains/System.keychain | /usr/bin/awk -F'"' '/labl/ {print $4}'

If the result does not contain a list of approved certificate authorities, this is a finding.

Implementation Procedure

Fix Text

Configure the macOS system to issue or obtain public key certificates from an approved service provider by obtaining the approved certificates from the appropriate authority and install them to the System Keychain.

STIG check 116 of 160 in the Apple macOS 26 (Tahoe) STIG checklist

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