We have a GPO that defines screen saver settings for our users, and prevents them from modifying those settings via the Windows GUI. However, some of our users have figured out that they can update the settings to those of their liking via REGEDIT.
We are looking for ways to prevent them from modifying these keys, or if this cannot be prevented, a mechanism to automatically revert the keys back to their original values if they are modified. We'd prefer not to use any third party software to do this. The keys in question are:
Any suggestions would be appreciated.