International Journal of Computer Applications
Sybil attacker is the routing layer active attacker that replies with multiple IDentification number (ID's) to nodes that forward request to attacker in a different time instant and drop the data forwarded to attacker after link establishment. The proposed research paper is provides the novel secure Intrusion Detection System (IDS) against routing misbehavior of Sybil attack in MANET. The IDS are not determining whether the losses are caused by link errors. It determines the loss due to malicious nodes. In the especially interested in the insider Sybil attack case, whereby malicious nodes that are part of the route exploit their data of the communication context to drop an amount of packets critical to the network performance.