Regarding the questions on Bluetooth security, his great presentation from last month covers a lot of your questions and more.
https://media.ccc.de/v/39c3-bluetooth-headphone-jacking-a-key-to-your-phone
Regarding the questions on Bluetooth security, his great presentation from last month covers a lot of your questions and more.
https://media.ccc.de/v/39c3-bluetooth-headphone-jacking-a-key-to-your-phone