It’s not just the networks, it’s the devices themselves. There’s no concept of security with any of the older OT hardware. They’re basically appliances designed

It’s not just the networks, it’s the devices themselves. There’s no concept of security with any of the older OT hardware. They’re basically appliances designed for a “trusted” network where all users are there to do the right thing. It’s almost a battlestar galactica kind of thing where we need these big systems but it’s really risky to have them fully networked and online