This may be a bit scatter-shot; there’s a lot to cover, and I’m going to try to fold in some answers to comments on my previous posting on the topic. [stderr] I also want to predict the future, so I can say “I told you so!” when it happens.
To be frank, cybersecurity pisses me off so much whenever I think about it, that it’s almost painful to write about. But the questions are interesting and worthy of respect.