Agreeing with the freeze system

December 14, 2007 at 1:11 am (wow)

Call to arms over compromised accounts.

However you can change you password here

http://www.worldofwarcraft.com/loginsupport/password.html

How to keep your computer safe

http://kinless.wordpress.com/2007/12/13/totally-uncool-beans/

even if the hacker has changed it.