nostr:npub14zy4gzyek7mr3wjqytqtexaqhtr6nyd6q0np6wf7fqstnxjn3ttq3l2z57

But an incredibly small subset of those are sitting on public networks, or even on IT networks within a firm.

Once you are inside the operations networks of production facilities, there is soooo much equipment that has no security at all. People bet that without a "cable" to the Internet, it is much safer anyway.