A comparison of stealthy sensor attacks on control systems

Navid Hashemi, Carlos Murguia, Justin Ruths

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As more attention is paid to security in the context of control systems and as attacks occur to real control systems throughout the world, it has become clear that some of the most nefarious attacks are those that evade detection. The term stealthy has come to encompass a variety of techniques that attackers can employ to avoid detection. Here we show how the states of the system (in particular, the reachable set corresponding to the attack) can be manipulated under two important types of stealthy attacks. We employ the chi-squared fault detection method and demonstrate how this imposes a constraint on the attack sequence either to generate no alarms (zero-alarm attack) or to generate alarms at a rate indistinguishable from normal operation (hidden attack).
Original languageEnglish
Article number1710.02597v1
Number of pages8
Publication statusPublished - 1 Oct 2017
Externally publishedYes


  • Computer Science - Systems and Control
  • Mathematics - Dynamical Systems
  • Mathematics - Optimization and Control


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