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Process Automation Systems: How Secure Is Secure Enough?

Where Do you Draw the Line in Applying Security to Your Systems?


Industrial control systems are the heart of manufacturing worldwide. Every sort of manufacturing process from semiconductors to oil and gas and in between uses an industrial control system. Some are relatively simple, such as a PLC controlling a work cell on a factory floor. Some are more complex, such as a DCS in a refinery. Others are extremely complex, such as a SCADA system at a mine with more than 100,000 I/O points.

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"I think there is still a long way to go to reach a proper level of security in either the process industries or the electric utility space."

Marco Ivaldi, @mediaservice.net