Presenting yourself as someone else is called fraud in my book. Changing the back button might be clever but all the rest is just simple. But people don't do t

Presenting yourself as someone else is called fraud in my book. Changing the back button might be clever but all the rest is just simple. But people don't do this because I think in a lot of countries this is illigal. There is a way you can protect your site a little from this: add canonical tags to all your pages. When an attacker updates the back button to Google they will have a hard time getting the cloned pages up in the results.