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Abstract: User authentication and intrusion detection differ from standardclassification problems in that while we have data generated from legitimateusers, impostor or intrusion data is scarce or non-existent. We review existingtechniques for dealing with this problem and propose a novel alternative basedon a principled statistical decision-making view point. We examine thetechnique on a toy problem and validate it on complex real-world data from anRFID based access control system. The results indicate that it cansignificantly outperform the classical world model approach. The method couldbe more generally useful in other decision-making scenarios where there is alack of adversary data.



Autor: Christos Dimitrakakis, Aikaterini Mitrokotsa

Fuente: https://arxiv.org/







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