Yeah avg is carp (and we have the paid version). The office computers have Norton (also the paid version) which basically renders the computer unusable for half hour to hour it scans everyday.
As for internet banking etc, I think it's a good idea to make a separate account that you keep minimal money in which is linked ti PayPal, bill pay etc. It limits the amount someone can take if they hack your computer
Sig test. android, MC version 2.4.7.11