Uh, guys, you do know that windows break, right? Anyone can get into your car at any time they want. So far I haven't heard of anyone driving away with the car, so I'm -assuming- that isn't possible. After all, a parted out Prius is worth more than most things you can put in it. But we all know what "assume" means, right? My take is this is just a game to a few "kids". The pros would take the car. Which can be done with or without all this. After all, the best alarm in the world won't stop a flatbed rolling away from your house with your car. Just ask the actor who watched it happen, alarm sounding all the way down the street.
Excellent article by Bozi Tatarevic on this exact topic on TTAC: The $17 Car Key Hacking Device Does Not Exist The $17 Car Key Hacking Device Does Not Exist - The Truth About Cars I recommend reading the whole article - an investigative piece of journalism. The article does not directly state this, but it implies to me that the expert quoted in the New York Times article (the one in post #1 of this thread) may not be fully impartial, as he is aiming to profit from selling technology to car makers to fix the vulnerabilities. A small quote:
I was just thinking. A small foil lined pouch should do the trick, no? Then, it's easy enough to slip the key in and out of the pouch when used.
A while back you could unlock a lot of Mazda3s by hitting them in a specific spot. Was pretty amusing to see it work.
Your Audi might have the known VW exploit that apparently lets an attacker gain control over some of the cars systems through Bluetooth. Heres a related article: Hackers Reveal Nasty New Car Attacks--With Me Behind The Wheel (Video) - Forbes