Interestingly enough, ArenaNet has compiled a blacklist of passwords that have been exploited by hackers in the past, so you might be out of luck trying to use "12345" or "password" or even "massivelyisawesome."
Head on over to the account management site to change your password today.
ArenaNet implementing mandatory password change for Guild Wars 2 players originally appeared on Massively on Thu, 31 Jan 2013 20:00:00 EST. Please see our terms for use of feeds.
- Source: ArenaNet News