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In this paper we present an efficient trust-aware in-network aggregation approach for resilient wireless sensor networks. The work is motivated from the well studied reputation and trust relations in the field of social sciences. In our approach, the trust evaluation mechanism is applied to identify trustworthiness of sensor nodes, distinguish illegal/misbehaving nodes, and filter out bogus data in...
Existing commercial database security products cannot guarantee to provide the same level database security in Mobile Ad-Hoc Networks (MANET) as in wired networks. In this paper, we presented a secure MANET database system that uses metadata and context information for database access control. First, we designed and implemented a context-based security model that uses context factors, such as location...
Ensuring security in wireless ad hoc networks is absolutely necessary and a must for any security-critical applications. In this paper, we report our progress in the development of an agent-based cooperative anomaly detection scheme for wireless ad hoc networks. The approach addresses the underlying distributed and cooperative nature of wireless ad hoc networks and adds one more dimension of cooperation...
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