Is banking at work really safer nowadays ?
It all depends if your firm installes the patches very quickly or very late. Some firms like to test and test and wait and wait before installing any patches. But in the case of the patch for the ani exploit, which is now being used by several easteuropean gangs your workcomputer maybe less safe to do financial transactions over the web than your home computer. There is no other protection against this exploit than the patch. No patch is no protection.
For businesses it shows the importance of telling people clearly that you are in no case responsable for any private transaction happening or interrupted or delayed on your network. It should be clear to your users that they do so completely at their own risk and what the problems and dangers may be.