Systems and methods that prevent unauthorized access in a communications network are provided. In one embodiment, a system that prevents unauthorized access to a network device may include, for example, a network device and a headend. The headend may be coupled to a communications network. The network...http://www.google.es/patents/US7818787?utm_source=gb-gplus-sharePatente US7818787 - Preventing a non-head end based service provider from sending media to a media processing system
Preventing a non-head end based service provider from sending media to a ...
