> Needs some '2FA', like actually putting the key in the ignition. :) Or a tiny motion sensor in the key, if it's still then don't authenticate. Or use infrare

> Needs some '2FA', like actually putting the key in the ignition. :) Or a tiny motion sensor in the key, if it's still then don't authenticate. Or use infrared to unlock the car, that requires you to stand next to the car and therefore shielding the device from any leakage :]