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Sensor nodes are likely to be deployed in hostile locations which are accessible to an attacker. Thus these nodes are prone to be captured and compromised by adversities. An attacker can use these compromised nodes to launch various attacks, a serious one of which is false data injection. These compromised nodes inject large of bogus packets to flood the network, which can lead to exhaust the network...
False data injection (FDI) is great threat to wireless sensor networks. Public key cryptography (PKC) is desirable to locate source nodes that are launching false data injection attacks. Because PKC is expensive to sensor nodes, they could only afford a small number of these operations. In this paper, a hierarchical traceback mechanism is proposed. A sensor field is divided into some levels, and in...
False data injection is a big threat to sensor networks. A traceback mechanism based on probabilistic packet marking is proposed in this paper. The performance of the basic marking method is thoroughly studied. There is a defect in the basic marking method that upstream nodes' marks are collected by the sink with low probability. To solve the problem, two different improved marking methods-EPPM&EPNM-are...
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