Full Proof Secured Environment for Wireless Sensor Networks

Due to the technological innovations of sensor technologies, Wireless Sensor Networks (WSNs) have become very popular with its applications being used in many domains. The applications include those pertaining to civilian and military especially for monitoring environments. Out of all the interesting applications which are based on WSN, there are sensitive applications that need total security. This has to be understood from the standpoint that WSN lifetime is less due to resource constraints and controlling them personally is not feasible. This paper presents a new protocol that addresses some of the security threats prevailing in the arena of WSNs. We present a scheme and a protocol to prevent attacks such as distributed sensor cloning attack, man in -the middle attack and replay attack. Our scheme verifies the authenticity of wireless sensor nodes to prevent cloning attack by using fingerprint concept associated with each and every sensor. The proposed protocol ensures that the sensitive data pertaining to cryptographic methods is not transmitted across network and prevents attacks such as replay attack and maninthe middle attack. The empirical results through simulations revealed that the proposed scheme and protocol can prevent the three security threats in WSNs successfully.