Superstick58 writes "As a system integrator, I am often providing control solutions that utilize sophisticated Ethernet networks and as they say in the biz 'link top floor to shop floor.' Forbes has an article about the security issues that exist in SCADA systems. When I look back at some of the systems I have put in which include direct I/O control over ethernet and distributed HMI monitoring, if I can get access from the internet, it would be easy to bring down power for a plant or at the very least make operators in the pile very uncomfortable. How vulnerable are the manufacturing centers of the world?"

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Mark