This seems silly, but Microsoft appears, on the surface, to have purchased Skype with the intention of selling surveillance to the NSA. They immediately replac

This seems silly, but Microsoft appears, on the surface, to have purchased Skype with the intention of selling surveillance to the NSA. They immediately replaced the whole network architecture and encryption setup with something that had weaker security and was subject to compromise of Microsoft. That's the sort of player we're dealing with, and that's why Bitlocker is not just improvably secure, it is best to simply assume that there are deliberate backdoors, whether any particular employee knows of them or not.