A Study on Wormhole Attack in MANET

Mobile Ad hoc Network (MANET) is used most commonly all around the world, because it has the ability to communicate with each other without any fixed network. A proper security solution is needed for networks to protect both route and data packet delivery operations in the network layer. Security is an essential requirement in MANET. The malicious node in the network act as a normal node, so there is a need of security solution to prevent from various attacks. In this paper, we have reviewed about byzantine malicious attacks and basically on wormhole attack in MANET.