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In sensor networks, the adversaries can inject false data reports from compromising nodes. Previous approaches for filtering false reports share keys between the source node and its upstream nodes on the path to sink, and rely on intermediate nodes to verify the reports generated by downstream nodes in a probabilistic manner. As a result, false reports have to travel several hops before detected....
Network-based URL filtering (NUF) is one of the most widely used tools for detecting and stopping malicious and unwanted web traffic, like preventing children from sex. However, currently the conventional techniques still suffer from high bandwidth consumption due to millions of URL analysis requests to the network servers per day. In this paper, a model of NUF using a novel multi-level counting bloom...
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