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- Group Title
- SRG-OS-000031-GPOS-00012
- Group ID
- V-259422
- Rule Version
- APPL-14-000007
- Rule Title
- The macOS system must disable hot corners.
- Rule ID
- SV-259422r958404_rule
- Rule Severity
- ● Medium
- Rule Weight
- 10.0
- Vuln Discussion
-
Hot corners must be disabled.
The information system conceals, via the session lock, information previously visible on the display with a publicly viewable image. Although hot corners can be used to initiate a session lock or to 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.
- Documentable
- False
- Check Content
-
Verify the macOS system is configured to disable hot corners with the following command:
/usr/bin/profiles -P -o stdout | /usr/bin/grep -Ec '"wvous-bl-corner" = 0|"wvous-br-corner" = 0|"wvous-tl-corner" = 0|"wvous-tr-corner" = 0'
If the result is not "4", this is a finding.
- Check System
- C-63161r940886_chk
- Fix Reference
- F-63069r940887_fix
- Fix Text
-
Configure the macOS system to disable hot corners by installing the "com.apple.ManagedClient.preferences" configuration profile.
- Identities
-
CCI-000060
Conceal, via the device lock, information previously visible on the display with a publicly viewable image.
- 800-53 :: AC-11 (1)
- 800-53 Rev. 4 :: AC-11 (1)
- 800-53 Rev. 5 :: AC-11 (1)
- 800-53A :: AC-11 (1).1