In era of wireless device, MANET is becoming more and more common due to current enhancements. There will be no centralized authority to manage the network. Mobile Ad-hoc NETwork (MANET) is used for tracking and monitoring the attended environment, as nodes are small with limited resources as well as highly mobile. Communication among nodes is accomplished by different routing protocols. But these protocols have different security flaws and attack. Worm hole attack is one of the serious threat in context of ad hoc network, therefore is typically challenging to defend and frequently occurred in wireless systems.