The OS X system must be configured with the usbmuxd daemon disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-76103	AOSX-12-000862	SV-90791r1_rule		Medium

Description
Connections to unauthorized iOS devices (iPhones, iPods, and iPads) open the system to possible compromise via exfiltration of system data. Disabling the "usbmuxd" daemon blocks connections to iOS devices.

STIG	Date
Apple OS X 10.12 Security Technical Implementation Guide	2018-12-24

Details

Check Text ( C-75787r1_chk )
To check if the "usbmuxd" daemon is disabled, use the following command: /usr/bin/sudo /bin/launchctl print-disabled system | /usr/bin/grep com.apple.usbmuxd If the results do not show the following, this is a finding: "com.apple.usbmuxd" => true

Fix Text (F-82741r1_fix)
To disable the "usbmuxd" daemon, run the following command: /usr/bin/sudo /bin/launchctl disable system/com.apple.usbmuxd The system may need to be restarted for the update to take effect.