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In the context of industrial systems cybersecurity become an obligation for their good functioning. Especially in the case of connected discrete event systems which represent nowadays the majority of this systems. Our goal, through this paper, is to detect active cyberattacks in such systems. We propose a two-state finite automaton capable of detecting any illegal interaction with the system through the communication channel. This automaton can pass from a normal state to an abnormal state after a violation with respect to some imposed constraints related to a sets of forbidden and authorized events in each state of the systems.

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A Contribution on Active Attack Detection in Discrete-Event Systems

  • 会议论文

  • 发表日期：

    2026年

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  • Mohammed Msaaf,
  • Mohamed Fri,
  • Halima Soundouss,
  • Meriam Ghajdami

摘要

In the context of industrial systems cybersecurity become an obligation for their good functioning. Especially in the case of connected discrete event systems which represent nowadays the majority of this systems. Our goal, through this paper, is to detect active cyberattacks in such systems. We propose a two-state finite automaton capable of detecting any illegal interaction with the system through the communication channel. This automaton can pass from a normal state to an abnormal state after a violation with respect to some imposed constraints related to a sets of forbidden and authorized events in each state of the systems.