We have established that the set top box is here to stay in some form but that parts of it, especially the UI, application and network PVR storage will be virtualized into the cloud. The extent of this virtualization will vary between operators and platforms, but nowhere will the set top remain in the form we have come to know over the history of pay TV to date. It is clear that the advent of virtualization and cloud delivery coincides with radical changes on the threat landscape. Virtualization itself is driving some of these changes, along with the proliferation of video distribution over the Internet, leading to growth in illicit content redistribution. This week we trace how these changes will…