JamesHunt
Firewalling the Fieldbus: How Gateways Protect RS-485 Assets from Cyber Threats
Industrial environments rely on the RS-485 standard for reliable data exchange. For decades, these serial networks operated in isolation. They controlled pumps, valves, and sensors without an internet connection. This “air gap” provided natural security against digital attacks. Today, the industrial world is changing. Companies want to see field data in the cloud. They connect […]