Towards Securing SCADA Systems Against Process-Related Threats

Dina Hadziosmanovic, Damiano Bolzoni, Pieter Hartel

    Research output: Working paper

    17 Downloads (Pure)

    Abstract

    We propose a tool-assisted approach to address process-related threats on SCADA systems. Process-related threats have not been addressed before in a systematic manner. Our approach consists of two steps: threat analysis and threat mitigation.
    For the threat analysis, we combine two methodologies (PHEA and HAZOP) to systematically identify process-related threats. The threat mitigation is supported by our tool, MELISSA, that helps to detect incidents (attacks or user mistakes). MELISSA uses SCADA system logs and visualization techniques to highlight potential incidents.
    A preliminary case study suggests that our approach is effective in detecting anomalous events that might alter the regular SCADA process work-flow.
    Original languageEnglish
    Place of PublicationEnschede
    PublisherUniversity of Twente
    Number of pages10
    Publication statusPublished - Jan 2010

    Keywords

    • SCS-Cybersecurity
    • Visualization
    • Security
    • SCADA
    • Intrusion detection

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