Dimitrakakis, C.

Mitrokotsa, A.

User authentication and intrusion detection differ from standard classification problems in that while we have data generated from legitimate users, impostor or intrusion data is scarce or non-existent. We review existing techniques for dealing with this problem and propose alternatives based on a principled decision-making view point. We examine the general technique in some toy problems, and then validate it on real-world data from an RFID access control system. The results indicate that the approach could be useful in other decision-making scenarios where there is a lack of adversary data

Statistical decision making for authentication and intrusion detection

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