International Journal of Computer & Organization Trends(IJCOT)
Wireless Sensor Networks (WSNs) is a technology which is been used in areas like commercial applications and surveillance of various purpose. WSN uses multi-hop routing for transfer of packets. The major concern in the development of WSN is its security. WSN technology offers little bit protection against identity deception and replaying of routing information. There are number of routing protocols which has been invented to secure WSN, but they have turned futile in some or other way. Routing protocols are attacked by several attacks like as Sybil attack, wormhole attack, and Sinkhole attack.