[dfex]

PREACH!

Currently sitting in a control room at a greenfield manufacturing facility trying to describe why even VLANning the control network would be a good idea to some controls engineers who want a plant-wide subnet for all PLCs that will be remotely supported by 6 different vendors. The struggle is real

[protocolture]

Loosely aware a controller manufacturer who wanted a bluetooth/wifi based password recovery utility with a fixed or predictable recovery key.

They were asked what their exposure would be if someone walked into a datacenter and used their phone to disable all the airconditioning systems.

[giantg2]

Do they want the passwords for all their systems to match so they don't need to remember as many?

[dfex]

My suspicion is that they want all the passwords on this site to match the one they use with all their other customers too.

Saves money on password management.