Recent hackings?

So for those of you that have been hacked, i wonder if you could clarify something. Was it just one character plus storage that lost stuff, or did you lose stuff from more than one character of one account? Because the latter requires relogging and means that they have your login info, whereas if it is just stuff lost from one character plus storage and mts but other chars (on same account) with valuable items were left intact, then that could imply that there exists a hack or glitch that does not require login info.