2.3.2 Secure screen saver corners - top left corner

Information

Setting a hot corner to disable the screen saver poses a potential security risk since an unauthorized person could use this to bypass the login screen and gain access to the system.

Solution

Perform the following to implement the prescribed state:
Open System Preferences
Select Mission Control
Select Hot Corners
Remove any corners which are set to Disable Screen Saver

See Also

https://workbench.cisecurity.org/files/301

Item Details

Category: ACCESS CONTROL

References: 800-53|AC-11a.

Plugin: Unix

Control ID: 01bba1ad05163648e62c55394d41674f57de86080c46cdd135d3937705b98a34