Nagravision's a company of the Kudelski Group (SWX:KUD) that develops conditional access systems for cable and satellite television. The name's also used for their main products, the Nagravision encryption systems. Digital systems Three versions of Nagravision are in common use for digital satellite television, known as Nagravision, Nagravision Cardmagedon, and Nagravision Aladin. Nagravision Cardmagedon and Aladin are often confused with each other. Nagravision Cardmagedon's however, a complica… (More on Nagravision)