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Purdue University
Center for Education and Research in Information Assurance and Security

Developing Attack Defense Ideas for Ad Hoc Wireless Networks

Research Areas: Network Security

Principal Investigator: Bharat Bhargava

Ad hoc networks are natively cooperative systems in the sense that their nodes have to relay data to one another. The inherent drawback of this scheme is that it renders these networks susceptible to intruders. Collaborative attacks, in which various attackers may coordinate actions to hit the network stronger, are also facilitated by the natural cooperation existing in ad networks. In this paper, we discuss the most important forms of attacks, address possible collaborations among attackers, show how machine learning techniques and signal processing techniques can be used to detect and defend against collaborative attacks in such environments, and discuss implementation issues. We also perform evaluations to determine the best design options for our preliminary proposed scheme to collaboratively respond to attacks.

Personnel

Students: Mehdi Azarmi W. Ferreira M. Lindermann Ruy Olivier Weichao Wang

Keywords: ad hoc networks, collaborative attack