“On the Challenges of Building a BFT SCADA,”

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André Nogueira, Miguel Garcia, Alysson Bessani, Nuno Ferreira Neves

in Proceedings of the International Conference on Dependable Systems and Networks (DSN), 2018, pp. 8.

Abstract: In the last decade, Industrial Control Systems have been a frequent target of cyber attacks. As the current defenses sometimes fail to prevent more sophisticated threats, it is necessary to add advanced protection mechanisms to guarantee that correct operation is (always) maintained. In this work, we describe a Supervisory Control and Data Acquisition (SCADA) system enhanced with Byzantine fault-tolerant (BFT) techniques. We document the challenges of building such system from a "traditional" non-BFT solution. This effort resulted in a prototype that integrates the Eclipse NeoSCADA and the BFT-SMaRt open-source projects. We also present an evaluation comparing Eclipse NeoSCADA with our BFT solution. Although the results show a decrease in performance, our solution is still more than enough to accommodate realistic workloads.

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Project(s): Project:SEGRID

Research line(s): Fault and Intrusion Tolerance in Open Distributed Systems (FIT)

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