This is a presentation called Security Threats in the World of Digital Satellite Television. It is from a talk given at the Hack In The Box security conference in Amsterdam in 2012.
You can download it from the following link: https://packetstormsecurity.com/files/download/113085/se-2011-01-hitb1.pdf
Source: https://packetstormsecurity.com/files/113085/Security-Threats-In-Digital-Satellite-Television.html