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SSLEACH: Specification based secure LEACH protocol for Wireless Sensor Networks

Wireless Sensor Networks is a resource constrained environment and security plays a major role in it. LEACH is one of the existing well-known cluster-based routing protocol. This protocol is vulnerable to several routing attacks, in which sinkhole attack is one of the most vulnerable threat. Intrusion Detection System is one of the efficient security mechanisms to counter the routing attacks by raising alarms and alerting the network. This paper proposes a generic specification based intrusion detection model namely SSLEACH to counter the sinkhole attack. The proposed SSLEACH mechanism is simulated in NS2 and the results show that SSLEACH outperforms the well-known existing schemes MS-LEACH and S-LEACH in terms of performance metrics like energy consumption, packet delivery rate, normalized overhead and residual energy.