Output details

A Lightweight Sybil Attack Detection in MANETs

<19> A self-organized mobile ad hoc network (MANET) requires a unique, distinct and persistent identity per node in order for their security protocols to be viable. However, Sybil attacks, whereby a node in the network creates multiple identities in order to thwart trust-based security mechanisms, are particularly problematic. This paper proposes a novel lightweight scheme to detect new identities of Sybil attackers without using a centralized trusted third party or any extra hardware. Extensive simulations and real-world testbed experiments demonstrate the effective detection accuracy of the scheme even in the presence of mobility. The work is important to MANET security.