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Check: APPL-26-005160

Apple macOS 26 (Tahoe) STIG: APPL-26-005160 (in version v1 r1)

Title

The macOS system must disable Apple Intelligence Writing Tools. (Cat II impact)

Discussion

Apple Intelligence features that use off device Artificial Intelligence (AI) must be disabled. Using off-device AI poses a data loss risk.

Check Content

Verify the macOS system is configured to disable Apple Intelligence Writing Tools with the following command: /usr/bin/osascript -l JavaScript << EOS $.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess')\ .objectForKey('allowWritingTools').js EOS If the result is not "false", this is a finding.

Fix Text

Configure the macOS system to disable Apple Intelligence Writing Tools by installing the "com.apple.applicationaccess" configuration profile.

Additional Identifiers

Rule ID: SV-277184r1149004_rule

Vulnerability ID: V-277184

Group Title: SRG-OS-000095-GPOS-00049

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CCIs

CCIs tied to check.

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

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
CM-7	Least Functionality