Personally, I find the benefits of having my DAW internet enabled
when I want it to be seriously outweigh the possible downfalls of contracting something nasty.
The pain you have to go through when attempting to use any form of Offline Authorisation compared to the absolute breeze of Online Auth. makes, for me, a HUGE difference and cuts down on this "admin time" by an order of magnitude.
I have backups & images if the worst DID happen, but I always switch on MSE before I go online - plugin the wireless dongle, do what I've got to do and that's it.