Processing capability + Remote connectivity + Upgradability = Trouble

That's what has happened with computers today. Next stop - phones and cars. Scenes from the future:

Car owner to mechanic: And while you're at it, change the oil and upgrade the virus definitions, will ya?

Housewife to husband: Honeeeey! The microwave's got the Blaster worm again!

Norton AV on car, to driver: Ford.2009A virus was found on your system. The following files have been quarantined: brakes.dll.

One car owner to another: What?! Your Nissan still runs Longhorn? Dude, like, where have you been?