Protection against data drop, an enhanced security model of authentication protocol for Ad-hoc N/w

Effective network security may targets a plenty of threats and also avoids them from entering or opening out on a network. An attack in Mobile Ad hoc NETwork (MANET) is due to unreliability, unfixed topology, limited battery power and lack of centralized control. The first line of defense solutions is Encryption and authentication which are not adequate to protect MANETs from packet dropping attacks. Existing IDSs for MANETS depend on the Watchdog technique. In existing system Researchers main attraction is on designing new prevention, detection and response mechanism for MANETs. The scheme will identify, supervise and observe the malicious nodes without adjusting the performances in the network. The motivation is to overcome the issues such as “limited transmission power, packet dropping, receiver collision and false misbehavior reports” generation of the Watchdog system. In this paper, we proposed a new the Modified Version of EAACK based IDS that is used to overcome the MANET attacks. Elliptic Curve Digital signature Algorithm (ECDSA) is use to authenticate the acknowledgment packets used in the propose work to overcome drawbacks in the security level.