If people were not so stupid using the same email to sign up for everything, clicking idiotic links visiting shady sites and just generally using pathetic passwords such as yellow123lol, they would be fine.
Maybe i have just been lucky but i have been playing online games non stop for almost 11 years now and not once in that time have i been hacked on any of the games i have played. Despite many of them being rampant with people who somehow managed to get hacked without it being their fault.