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The macOS system must disable iCloud Back to My Mac feature.


Overview

Finding ID Version Rule ID IA Controls Severity
V-81621 AOSX-13-000557 SV-96335r1_rule Medium
Description
The Back to My Mac is an iCloud feature permitting users to connect to a Mac, AirPort Disk, or Time Capsule using another Mac or another Internet connected device. When connected users can transfer data and see a live version of the screen content. Satisfies: SRG-OS-000095-GPOS-00049, SRG-OS-000370-GPOS-00155
STIG Date
Apple OS X 10.13 Security Technical Implementation Guide 2018-10-01

Details

Check Text ( C-81397r1_chk )
To view the setting for the Back to My Mac configuration, run the following command:

/usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep allowCloudBTMM

If the output is null or not "allowCloudBTMM = 0" this is a finding.
Fix Text (F-88469r1_fix)
This setting is enforced using the "Restrictions" configuration profile.