User authentication is a procedure that allows communicating parties to verify that the contents of a received message have not been altered and that the source is authentic.

False

Explanation:

A User Authentication is a process in which you verify that someone who is attempting to access services and applications is who they claim to be. This can be accomplished through a variety of authentication methods, such as entering a password into your laptop or phone or a PIN number into the ATM. Authentication is essential when you have content that you wish to protect and provide only to specific, approved clients.