Jon Westbrock


Process Instrumentation and Sensors August 1, 2005

Protect control systems from the Internet

The plant control system would seem to be one of the best-protected computer networks from those who might seek to do harm. It is typically so removed from the Internet that hackers and viruses should have a difficult time finding the control system. And that's just fine with most control engineers, who know that any connectivity to the Internet increases the potential for mischief.

By Jon Westbrock
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