How can a program remove the menu in Control-Alt-Delete (Secure desktop) in Windows?
In reference to another post about the Respondus Lockdown Browser, I was wondering how can a program edit and remove parts of the "Secure Desktop" Ctrl+Alt+Del menu in Windows, as well as disable the power button at the bottom right?
Is this safe?
This is what happens when trying to Ctrl+Alt+Del with Respondus Lockdown Browser running in the background:
This is mainly hardening configurations done from registry keys, they can be configured from the Local Group Policies, GPO or directly from regedit. They key is located here:
Note that the following path is targeting the current user (HKCU), you can also target at the computer level (HKLM).
From there, you can create/modify multiple strings values and disable or turn them on (set to 0 or 1) :
DisableLockWorkstation HideFastUserSwitching NoLogoff DisableChangePassword DisableTaskMgr