Abstract

The mobile Ad-hoc networks (MANET) are wireless networks which utilize mobile nodes for communicating among them and in the external transmission range. The vulnerable nature of the network causes various security threats which upset its growth. In this survey, initially the existing security attacks in MANET are analyzed. The attacks categories fall under two stages that include internal and external attacks. The former attack is due to the malicious nodes within the network and later attack is caused by the nodes which do not belong to the network. Then the secure, efficient dynamic routing techniques which are main issues concerned with ad hoc networks are surveyed. Overall, our survey mainly concentrates the existing security attacks and possible routing solution in MANET.