Excellent article from KudelskiSec research team member Nicolas Oberli about “Build Your Own Hardware Implant”
This article show how to do that using an HydraBus with HydraFw

Is it possible your #hardware is spying on you? @KudelskiSec research team member Nicolas Oberli is on a mission to find out how practical it is to do just that https://t.co/P3gX9TtAQ6

— Kudelski Security (@KudelskiSec) October 23, 2018