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We address issues related to the establishment of defender's reputation in anomaly detection against insider attacks. We consider two types of attackers: smart insiders, which learn from historic attacks and adapt their strategies to avoid detection/punishment, and naive attackers, which blindly launch their attacks. We introduce two novel reputation-establishment algorithms for systems with solely...
A smart home aims at building intelligence automation with a goal to provide its inhabitants with maximum possible comfort, minimize the resource consumption and thus overall cost of maintaining the home. `Context awareness' is perhaps the most salient feature of such an intelligent environment. Clearly, an inhabitant's mobility and activities play a significant role in defining his contexts in and...
This paper focuses on the assessment of the properties of security enforcement mechanisms for prevention of denial of service (DoS) attacks in wireless sensor networks. First part of the paper demonstrates the requirement for security enforcement using auction theory that allows detection of non cooperative nodes. In the proposed protocol, nodes prefer to participate in forwarding incoming packets...
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