[KIFulgore]

I miss the days when the big security concern was quantum breaking contemporary encryption. Air gaps and local stacks are overdue for a comeback.

[Animats]

Even that may not work. See Stuxnet.[1]

[1] https://en.wikipedia.org/wiki/Stuxnet

[KIFulgore]

Yep, there is always the human factor. Leave a USB drive in a parking lot, someone will insert it. You don't even need an obvious drive anymore, a malicious cable will suffice.