The macOS system must disable Screen Sharing and Apple Remote Desktop.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-259505	APPL-14-002050	SV-259505r941137_rule		Medium

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

STIG	Date
Apple macOS 14 (Sonoma) Security Technical Implementation Guide	2024-01-10

Details

Check Text ( C-63244r941135_chk )
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 (F-63152r941136_fix)
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.