Stock Photo - Christoph Krauß, department manager at the Fraunhofer Institute, works on an digital interlocking system in the railway company of Darmstadt, Germany, 1 December 2017. Security tests are tried out here. In the future cyber attacks are going to be played through at this location. Photo: Frank Rumpenhorst/dpa. - Darmstadt/Hesse/Germany

Stock Photo: Christoph Krauß, department manager at the Fraunhofer Institute, works on an digital interlocking system in the railway company of Darmstadt, Germany.

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