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The node capture attack on wireless sensor networks (WSNs) can be broken into three stages: node capture, node redeployment, and insider attacks. Existing detection techniques of the attack are mostly implemented in the second stage. Recent discovery proved the feasibility of quick and effective detection in the first stage. We propose a hello message based first stage detection scheme, which is faster,...
Key management in sensor networks has become a challenging issue in the design and the development of secure wireless sensor networks since asymmetric cryptosystems are unsuitable for use in resource constrained sensor nodes, and also because the nodes are vulnerable to physical capture. In this paper, we present a new key management scheme using sub key pool to enlarge the size of key pool. With...
Intrusion detection is an efficient method against attacks in computer network and system. Most intrusion detection system for sensor networks and ad hoc networks are based on the cooperative of intrusion detection agents and suffered from a computation and memory usage overload. In this paper, we address this problem by proposing a lightweight algorithm to select and activate the intrusion detection...
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