Details
Hot Corners can be configured to disable the screen saver by moving the mouse cursor to a corner of the screen. 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
Supportive Information
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: Access Control.This control applies to the following type of system Unix.