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Research Article Open Access
An Adhoc network is a network in which nodes communicate without using any network infrastructure and move in random order. MANET (Mobile Adhoc NETwork) is an attractive technology for many applications, such as rescue and tactical operations, due to the flexibility provided by their dynamic infrastructure. MANET is an autonomous system of wireless mobile hosts without fixed network infrastructure and centralized access point such as a base station. Due to lack of a defined central authority, MANETs are more vulnerable to security attacks and thus security is essential requirement in MANET as compared to the wired network. In this paper we have attempted to represent an overview of AODV, the possible attacks on MANET and some security mechanism to these attacks.