630
U.S. officials urge Americans to use encrypted apps amid unprecedented cyberattack
(www.nbcnews.com)
This is a most excellent place for technology news and articles.
You & others might be interested in this:
https://insights.sei.cmu.edu/library/field-stripping-a-weapons-system-building-a-trustworthy-computer-video/
and maybe this:
https://en.wikipedia.org/wiki/Intel_Management_Engine
Thank you!