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The macOS system must be configured to disable hot corners.


Overview

Finding ID Version Rule ID IA Controls Severity
V-252442 APPL-12-000007 SV-252442r816140_rule Medium
Description
Although hot corners can be used to initiate a session lock or launch useful applications, they can also be configured to disable an automatic session lock from initiating. Such a configuration introduces the risk that a user might forget to manually lock the screen before stepping away from the computer.
STIG Date
Apple macOS 12 (Monterey) Security Technical Implementation Guide 2023-08-28

Details

Check Text ( C-55898r816138_chk )
To check if the system is configured to disable hot corners, run the following commands:

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

If the return is null, or does not equal:
"wvous-bl-corner = 0
wvous-br-corner = 0;
wvous-tl-corner = 0;
wvous-tr-corner = 0;"
this is a finding.
Fix Text (F-55848r816139_fix)
This setting is enforced using the "Custom Policy" configuration profile.