The ability to block host input, keyboard and mouse, is located under the Miscellaneous menu. https://docs.connectwise.com/ConnectWise_Control_Documentation/Get_started/Host_client/Miscellaneous_menu

If this feature doesn't meet your current needs, can you tell us a little more about your request?

The "UserPasswordQuestionAttribute" can be set to any LDAP attribute, as long as the naming is input exactly the same. Were you hoping for an active directory change specifically, or just a way to implement?

Please visit the below for documentation on how to disable host page animations. 

https://docs.connectwise.com/ConnectWise_Control_Documentation/Release_notes/ConnectWise_Control_6.7_Release_notes