June 2012

Special Report: Process/Plant Optimization

Cyber security for industrial plants

Consider five core elements to develop secure plant automation networks.

Köbinger, F., Siemens AG

Ethernet-based communication plays a key role in the automation sphere and industrial Ethernet is being used more and more in the field area. The advantages of this are evident: with the use of open and standardized IT technology, such as wireless LAN or a web server, uniform networking also be achieved. However, this also increases the danger of access violation and so-called malware, so, at the same time, the potential risk for the automation networks is re-evaluated and security concepts are implemented accordingly. IT security in office IT networks has not been an issue for a long time—not because it is not important, but because it has become standard. Security patches and updat

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