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A security architecture for railway signalling

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  • C. Schlehuber
  • M. Heinrich
  • T. Vateva-Gurova
  • S. Katzenbeisser
  • Neeraj Suri
  • F. Bitsch (Editor)
  • S. Tonetta (Editor)
  • E. Schoitsch (Editor)


We present the proposed security architecture Deutsche Bahn plans to deploy to protect its trackside safety-critical signalling system against cyber-attacks. We first present the existing reference interlocking system that is built using standard components. Next, we present a taxonomy to help model the attack vectors relevant for the railway environment. Building upon this, we present the proposed “compartmentalized” defence concept for securing the upcoming signalling systems. © Springer International Publishing AG 2017.