lot of these 'hackings' have been reported lately on fulltilt, where i can be found nowadays...
in most cases however, a dumbbell or two would click on an 'official-looking' popup window offering a huge cash bonus if only they input their login info, including their password.
well, u gotta be that stupid to be taken in by something like that.
else, security-wise, ive had the following run on my PC and never had any problems whatsoever: zonealarm firewall and avast antivirus. both excellent and free of charge. and for extra support, popupcop, which among other things, helps prevent silent installation of malware, the most common way for trojans and worms to get to ur hard drive...