VANET is a wireless communication system established between multiple vehicles moving on the road. The vehicle nodes are present in network but there are some malicious or attacker nodes whose aim is to harm the network. An attacker vehicle node can raise an alert even if there is no crash on the road or it can falsely divert the traffic in wrong direction for their personal interest. In this paper, the new Two Stage Attacked Node Identification Algorithm (TSANI Algorithm) is proposed. This algorithm identifies the attacker nodes and marks then as unauthentic nodes. The performance of new algorithm is analysed and compared with the existing work.

VANET, DTN, MANET, Security, TSANI, Attacks

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