Please fix the teleport / fly hacking that is rampant in the game. There are dozens of videos on it, multiple programs that are easily google-able to automate bot exploit this.
It is being used to exploit AQ and will be used in Naxx as well.
FIX THIS HACK SERVER SIDE!
https://us.forums.blizzard.com/en/wow/t/fix-flyteleport-hacking-now