The authenticator doesn't do a very good job. Something that costs $6.50 isn't stopping any hackers at all. It didn't stop them from hacking this gentleman who reviews games:USSR said:The idea was to cut down on hacking.AzrealMaximillion said:Right, because authenticators prevented hacking entirely.....oh wait...
The authenticator provides an additional layer of security that makes is significantly harder for a hacker to take you account.
http://www.examiner.com/article/diablo-iii-an-authenticator-still-gets-you-hacked