Bluetooth-Enabled Cars Can be Snooped
Don't be too sure your car is an island of privacy. Under certain circumstances, outsiders can eavesdrop on conversations among you and your passengers if your car has a built-in Bluetooth telephone link. Bluetooth provides a low-power wireless connection between your cellphone and your car - it permits hands-free conversations through a speaker and microphone built into the vehicle, or with a headset - and it may be vulnerable to amateur eavesdroppers. At a recent computer security convention in the Netherlands, experts demonstrated a system that lets a laptop user listen to conversations in passing cars with Bluetooth setups.
Miss Manners Wouldn't Approve: Snoops Bug the High-Tech Car, New York Times, August 14, 2005.