STIGQter: STIG Summary: Apple macOS 15 (Sequoia) Security Technical Implementation Guide Version: 1 Release: 7 Benchmark Date: 01 Apr 2026:

The macOS system must disable iCloud Mail.

DISA Rule

SV-268490r1034410_rule

Vulnerability Number

V-268490

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

APPL-15-002015

Severity

CAT II

CCI(s)

• CCI-000381 - Configure the system to provide only organization-defined mission essential capabilities.

Weight

10

Fix Recommendation

Configure the macOS system to disable iCloud Mail by installing the "com.apple.applicationaccess" configuration profile.

Check Contents

Verify the macOS system is configured to disable iCloud Mail with the following command:

/usr/bin/osascript -l JavaScript << EOS
$.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess')\
.objectForKey('allowCloudMail').js
EOS

If the result is not "false", this is a finding.

Vulnerability Number

V-268490

Documentable

False

Rule Version

APPL-15-002015

Severity Override Guidance

Verify the macOS system is configured to disable iCloud Mail with the following command:

/usr/bin/osascript -l JavaScript << EOS
$.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess')\
.objectForKey('allowCloudMail').js
EOS

If the result is not "false", this is a finding.

Check Content Reference

M

Target Key

5661