The Daily Grind: How long is it?

Well, more properly, how long has it been since you changed your MMO/VW passwords? With your game and virtual world account credentials increasingly becoming more valuable to Real Money Traders than your credit card details are, there's a lot of value for people to be gained in hacking your account. There's certainly enough people intent on getting that information by any means necessary, including hacked devices, kidnapping and murder.

Are you one of the folks who changes your passwords every month or so, just in case? Twice a year? Once a year? Or are you one of the set-and-forget types who never changes it unless the service forces you to? Do you feel comfortable about the safety of your gaming and virtual world accounts, given your choice?