Please read my web page as it pretty much answers why they decided to track me down. I'm beginning to think you did not read the prologue?
I was in contact multiple times with the security investigators from NDS and made them aware of the problem. We had meetings and phone conversations. It is now 6 weeks since I pointed them to the GPL violations and no comments so far. Viasat distributes the box and is the official offender, but I am pretty sure they rely on the solution bought from NDS. This is why I first tried to talk with NDS.
If you are wondering why NDS sent security investigators it was most likely because I started digging into how the box is tied to your subscription card, thus making it impossible for you to use other brands of satellite receivers.