[ Thanks to Ben for
this link. ]
“How can I protect my Windows computer from Viruses,
spyware, adware, malware?
Open the case. Remove the network card, floppy drive, modem, and
cd/dvd drives. Fill all USB and Firewire ports with some kind of
silicone based sealant.
“My computer has an integrated network device and/or modem,
which cannot be removed. What now?
Fill them with some kind of silicone based sealant…”