[liberationtech] more on sat phone (in)security

[Jacob Appelbaum]

On 02/24/2012 05:14 AM, Miles Fidelman wrote:
> Bernard Tyers wrote:
>> The core of the issue here is that every RF emitting device is
>> vulnerable to location discovery. The only secure approach to these
>> technologies is not use them.
>>
> 
> Of course some RF emitting devices are more vulnerable than others. 
> Directional antennas help a lot.  So does spread spectrum.
> 
> 

Right. It also helps to not use a technology that discloses your exact
GPS location. This is possible to solve today with some systems/networks
by sending the spot beam ID rather than the GPS location.

All the best,
Jacob