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Wireless Sensor Networks (WSNs) detect and report interesting events when they occur in the target region. These networks are vulnerable to security breach due to wireless communication and lack of infrastructure. In sinkhole attacks, an attacker attracts network traffic by forging or replaying routing messages through compromised nodes. Thus attracted(More)
Wireless sensor networks (WSNs) have the security vulnerabilities caused by the limited capacity of sensor nodes. So, there are various defense schemes against attacks on the network layer. For example, there is a scheme for detecting compromised node while sensing data transmission from the source to the base station. The checkpoint based multi-hop(More)