OK, I looked at this a little more and it sounds like the news story I’d previously read may have been overblown, had the technology wrong, or both. Big surprise, I know.
Here’s a partial debunking: The $17 Car Key Hacking Device Does Not Exist
On the other hand, there is this, which seems to be for real: A hacker made a $30 gadget that can unlock many cars that have keyless entry. Essentially a simple MITM jamming/replay attack, supposedly he demoed it at DefCon 23.
OH WAIT, here we go: Newer news on the topic - [This Group Defeated Keyless Entry Cars With Simple Homemade Devices] (This Group Defeated Expensive Keyless Entry Cars With Cheap Homemade Devices | The Truth About Cars)
