[time-nuts] Ships fooled in GPS spoofing attack suggest Russian cyberweapon

[Bob kb8tq]

Hi

The big(er) deal with some systems is that they offer encrypted services. If you happen to have 
access to the crypto version, that’s going to help you. As long as you are using “public” (and thus
fully documented) modes … not a lot of difference. The same info that lets anybody design a 
receiver lets people design a spoofing system. 

Bob

> On Aug 14, 2017, at 11:54 AM, John Hawkinson <jhawk at MIT.EDU> wrote:
> 
> So, what I wonder: to what extent (if any) are GPS, GLONASS, and Galileo sufficiently different that it is challenging to spoof all three in the same way? Is there any reason why it is more than 3 times the work to spoof all 3?
> 
> Is there something clever receivers can do, with awareness of all three services, that makes them harder to spoof (beyond checking the services against each other)?
> 
> --jhawk at mit.edu
>  John Hawkinson
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