Now some of you have gotten your Accounts hacked, and some have gotten extra security(i have)

Antivirus does not help if you ok the download, or a trusted program downloads an "update".

The only defence you have against keyloggers are randomly generated passwords from a token/program NOT on pc.

http://eu.blizzard.com/store/details.xml?id=221003617
or
https://eu.battle.net/account/support/mobile-auth-download.xml (free for Iphone/pad)
solves this issue for you.

Please think about it, after all you have put alot of time into your lvl 80 epicly geared toons.