Survey on Black Hole Detection and Prevention in MANET

Mobile ad hoc network (MANET) is a self-implemented network of mobile nodes formed anytime and anywhere without the help of a centralized management. Due to the open medium, dynamic network topology, autonomous terminal, lack of centralized monitoring and lack of management point Mobile Ad-hoc network are highly vulnerable to security attacks compared to wired network or infrastructure-based wireless network. In black hole attack, a malicious node gives false information of having shortest route to the destination node so as to get all data packets and drops it. In this paper, we have discussed different types of black hole attack detection and prevention techniques. Keywords— AODV, Black hole attack, MANET, Routing protocols, malicious node.