In 1999, a news article (Careless mistake reveals subversion of Windows by NSA) discussed "encrypted instruction sets". What exactly are these? Please provide a link so I can find more information.
Does it have anything to do with the following:
A similar question was asked here some time back (What are 'Encrypted Instruction Sets' ?), but it did not garner any useful responses.
I am already aware of hardware-based encryption & Intel's native support for AES. This one seems very different from the others.