WoW players are very protective of their passwords but could you be using a highly predictable password that made the top 500 passwords of all time? As the list states "Approximately one out of every nine people uses at least one password on the list shown in Table 9.1! And one out of every 50 people uses one of the top 20 worst passwords..” Check out the list and make sure your WoW password isn't on it.