been there...., i have mcafee anti-virus which incorporates a 'site advisor'. i wonder could that possibly prevent that problem happening? i also use 'spyware doctor' which as you probably are aware of that keeps tracking programmes from entering my pc, tomi.
A lot of people might keep credit card numbers on their computer and then copy / paste it into a website when they are making a payment. This would mean stolen credit cards. Scary stuff.