Process Control Systems (PCS) is the set of systems that remotely controls and receives sensory signals. Supervisory Control and Data Acquisition System (SCADA System), usually referred to as a dispatch control system, is the subset of PCS that controls systems over a large distance [1]. Security assurance of such systems against modern cyber threats has become an extremely topical issue in recent years. The paper describes possible security solutions, as well as gives an overview on the SCADA network modelling possibilities.
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