I, like lots of people, do most of my banking on the net. Its convenient and save me from dealing with bank staff who will soon be all but obselete.
Drawback. ID theft and banking fraud online has now surpassed stuff like skimming ATMs and other nasty practices to steal your hard earned cash.
This seems like a sensible solution to me
Windows not fit for online banking, says Washington Post blog
Security Fix - Avoid Windows Malware: Bank on a Live CD
This isnt some anti Windows rant, its just that Windows is the most targeted system so us Mac and Linux users shouldnt take the piss too much.
Dont get too paranoid yet but over the next few years things are going to have to be tightened up.