A Review on BlackHole Attack Issues
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Abstract
In MANET, each node acts as a router to establish a route and transfer data by means of multiple hops. MANET is more vulnerable to security problem. When a node wants to transfer data to another node, packets are transferred through the intermediate nodes. Thus, searching and establishing a route from a source node to a destination node is an important task in MANETs. There are several routing protocols. The existing routing protocols are optimized to perform the routing process without considering the security problem. Black hole attack is one of the routing attacks in which, a malicious node uses the routing protocol to advertise itself as having the shortest path to the node whose packets it wants to intercept. AODV (Ad hoc On-demand Distance Vector) is the most suitable routing protocols for the MANETs and it is more vulnerable to black hole attack.
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Keywords: Ad hoc, Source routing, malicious node, Black Hole Attack, Black Hole Attack detection and prevention techniques.
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