A Review on Security Attacks in Mobile Ad-hoc Networks

Security is a major concern for safe communication between mobile nodes in an alien environment. In alien environments, attackers can bunch active and passive attacks against imperceptible routing in routing message and data packets. In this, we focus on significant security attacks in Mobile ad hoc networks. MANET has no clear immunity so; it is available to both legitimate users and malicious attackers. In the existence of malicious nodes, one of the main objectives in MANET is to design the robust security solution that can protect MANET from various routing attacks. However, these solutions are not correct for MANET resource constraints, i.e., battery power and limited bandwidth. Mobile ad-hoc network can operate in isolation or in coordination with a wired infrastructure. This flexibility along with their self organizing facilities is some of MANET's biggest strengths, as well as their biggest security vulnerabilities. In this paper different routing attacks, such as active (black hole, spoofing, wormhole, flooding,) and passive (traffic monitoring, traffic analysis, eavesdropping) are described.