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A number of protocols have been developed to mitigate the threat against wireless sensor networks of an attacker finding nodes, compromising them, and using these nodes to eavesdrop or undermine the operation of the network. A more dangerous threat that has received less attention, however, is that of replica nodes, in which the attacker compromises a node, extracts its keying materials, and produces...
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...
Conventional wireless sensor networks rely mostly on simple scalar data (such as temperature or humidity) and specialize in single-purpose applications. Taking a fundamental departure, in this article we motivate information-rich wireless video sensor networks that emulate the compound eyes found in certain arthropods. Although constrained by scarce resources, sensor nodes can only serve extremely...
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