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Check: APPL-15-002050

Apple macOS 15 (Sequoia) STIG: APPL-15-002050 (in versions v1 r3 through v1 r1)

Title

The macOS system must disable Screen Sharing and Apple Remote Desktop. (Cat II impact)

Discussion

Support for both Screen Sharing and Apple Remote Desktop is nonessential and must be disabled. The information system must be configured to provide only essential capabilities. Disabling Screen Sharing and Apple Remote Desktop helps prevent unauthorized connection of devices, transfer of information, and tunneling.

Check Content

Verify the macOS system is configured to disable Screen Sharing and Apple Remote Desktop with the following command: /bin/launchctl print-disabled system | /usr/bin/grep -c '"com.apple.screensharing" => disabled' If the result is not "1", this is a finding.

Fix Text

Configure the macOS system to disable Screen Sharing and Apple Remote Desktop with the following command: /bin/launchctl disable system/com.apple.screensharing The system may need to be restarted for the update to take effect. NOTE: This will apply to the whole system.

Additional Identifiers

Rule ID: SV-268505r1034455_rule

Vulnerability ID: V-268505

Group Title: SRG-OS-000080-GPOS-00048

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CCIs

CCIs tied to check.

Number	Definition
CCI-000213	Enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Controls

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

Number	Title
AC-3	Access Enforcement