Many plant networks grew organically: a switch added here, a wireless router there, machines plugged in wherever a port was free. The result is a flat network where a compromised guest phone can reach a CNC controller.
Segmentation separates traffic into zones — production equipment, cameras, office systems, guests — with a firewall controlling what can cross between them. It contains incidents, improves performance and makes troubleshooting far simpler.
The practical steps are an inventory of connected devices, a VLAN and IP plan, industrial-grade switches where the environment demands it, and monitoring so you can see what is actually talking to what.
Mindware Infotech Engineering
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