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Cyber-physical systems (CPS), such as smart grids, include cyber assets for monitoring, control, and communication in order to maintain safe and efficient operation of a physical process. We propose that CPS intrusion detection systems (CPS IDS) should seek not just to detect attacks in the host audit logs and network traffic (cyber plane), but should consider how attacks are reflected in measurements...
Healthcare has and continues to be an integral component in people's lives, especially for the rising elderly population. One such healthcare program that provides for the needs of the elderly is Medicare. It is important that any such program be affordable but, unfortunately, this is not always the case. Out of the many possible factors for the rising cost of healthcare, fraud is a major contributor,...
In this paper, we propose techniques for detecting anomalies in user accesses by learning profiles of normal access patterns of users based on both the syntactic and semantic features of past users queries stored in database logs. New accesses are checked upon these profiles and deviations are considered anomalous accesses which may be indications of potential insider attacks. We consider two scenarios...
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