“Enhancing Fault / Intrusion Tolerance through Design and Configuration Diversity”

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Alysson Bessani, Alessandro Daidone, Ilir Gashi, Rafael R. Obelheiro, Paulo Sousa, Vladimir Stankovic

in Proceedings of the 3rd Workshop on Recent Advances on Intrusion-Tolerant Systems (WRAITS 2009), Estoril, Portugal, June 2009., Jun. 2009.

Abstract: Fault/intrusion tolerance is usually the only viable way of improving the system dependability and security in the presence of continuously evolving threats. Many of the solutions in the literature concern a specific snapshot in the production or deployment of a fault-tolerant system and no immediate considerations are made about how the system should evolve to deal with novel threats. In this paper we outline and evaluate a set of operating systems’ and applications’ reconfiguration rules which can be used to modify the state of a system replica prior to deployment or in between recoveries, and hence increase the replicas chance of a longer intrusion-free operation.

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

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