Overview

Internet worm attacks have become increasingly more frequent and have had a major impact on the economy, making the detection and prevention of these attacks a top security concern. Several counter-measures have been proposed and evaluated in recent literature. However, the effect of these proposed defensive mechanisms on legitimate competing traffic has not been analyzed. This book presents a comparative analysis of the effectiveness of several of these proposed mechanisms, including a measure of their effect on normal web browsing activities. This book also presents a study of the behavior of TCP based worms in MANETs. We develop an analytical model for the worm spread of TCP worms in the MANETs environment that accounts for payload-size, bandwidth-sharing, radio range, nodal density and several other parameters specii-- c for MANET topologies. We also present numerical solutions for the model and verify the results using packet-level simulations. The results show that the analytical model developed here matches the results of the packet-level simulation in most cases.

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9783639133950

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