http://blog.invisiblethings.org/papers/2015/x86_harmful.pdf http://blog.invisiblethings.org/2015/10/27/x86_harmful.html
Essential reading!!
Also, I would give anything for a clean slate design that prioritized simplicity and transparency.
We've been layering complicated crap under and on top of older complicated crap for so long that even professional engineers no longer understand exactly what happens when you push the power button.
As long as that is true, we will never be secure.
One of the extremely few people with genuine understanding of hardware security, who's working on the side of users & humanity.
The first time I read her work, I was floored that I hadn't known of her earlier.