I was just doing some research on Intel Management Engine (ME), the independent subsystem on which AMT and other security applications run. Since I have them at my fingertips, perhaps these will be of use:
* By far the best place to learn about ME and AMT that I found, though it's a few years old:
Platform Embedded Security Technology Revealed: Safeguarding the Future of Computing with Intel Embedded Security and Management Engine by Xiaoyu Ruan (security researcher with the Platform Engineering Group at Intel). Apress (2014)
* Intel x86 considered harmful by Joanna Rutkowska, founder of Qubes (2015)
http://invisiblethings.org/papers/2015/x86_harmful.pdf
* How to Become the Sole Owner of Your PC by Maxim Goryachy, Mark Ermolov, Positive Technologies [haven't read this one in awhile]
https://github.com/ptresearch/me-disablement/blob/master/How...
* How Purism avoids Intel’s Active Management Technology by Purism