[trdtaylor1]

I feel like there are far better ways to determine police locations just by finding their other, more powerful, radio frequency footprints.

[livueta]

When I saw the headline I assumed it'd be about the P25 unencrypted metadata leakage issue (specifically Unit Link ID) described in https://www.mattblaze.org/papers/p25sec.pdf - that indeed carries a lot further than BLE

[celegans25]

Thanks for the link, that was extremely interesting to read

[darkclouds]

In the UK we cant listen into radio communications, we can still identify it using the same techniques that is used to work out encrypted internet communication, namely the traffic patterns of the radio devices.

In more than 100 countries, Tetra (Trans European Trunked Radio) is used.

This was published a couple of months ago.

https://www.tetraburst.com/

https://github.com/MidnightBlueLabs/TETRA_burst

http://rageuniversity.com/PRISONESCAPE/JAMMING%20RADIO%20GSM...

[airza]

I’m looking forward to your defcon talk next year then