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<p>Network security is vital in wireless networks that are widely used today. We desire wireless networks  that maintain a high degree of confidentiality, integrity, and availability. Wireless sensor networks pose unique  challenges and limitations to the traditional schemes, which are used in the other wireless networks for security  protection, and are due mainly to the increased vulnerability of physical attacks, energy and communication  limitations. This thesis introduces the foundations of a network and anomaly-based Intrusion Detection System  (IDS) tool, including both hardware and software components, that can be used for traffic profiling and monitoring  of a wireless sensor network. The work demostrates how the IDS should capture and store traffic and use this  information to create traffic profiles and baselines for normal traffic behavior. Then it describes how these  baselines can be used to generate alerts based on traffic variations that imply possible attacks. Profiles on typical  implementations of wireless sensor networks were observed and analyzed. Finally, initial indications from basic  analysis of wireless sensor network traffic demonstrated a high degree of self-similarity.
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<br>Subjects: Computer programs; Electrical engineering</div>
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Kirykos, Georgios</div>
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