SkyGrabber: the $26 software used by insurgents to hack into US drones

Read more here:

" The only surprise is that the US army is surprised – given that it has known since the 1990s that the "downlink" (from the satellite) of the drone video was unencrypted. The internet may have been invented in the US, but its knowledge has spread far and wide — and insurgents have used websites and computer networks to organise themselves for years."