Quality of Source Location Protection in Globally Attacked Sensor Networks
Silvija Kokalj-Filipovic, Fabrice Le Fessant, Predrag Spasojevic

TL;DR
This paper introduces an efficient dummy traffic scheme for wireless sensor networks that enhances source location privacy against global eavesdroppers, ensuring timely event reporting while reducing fake traffic overhead.
Contribution
It presents a novel dummy traffic framework that models a global eavesdropper's statistical detection methods and guarantees event latency in large sensor networks.
Findings
The scheme effectively disguises real events with dummy traffic.
It reduces the overhead of fake traffic generation.
The approach maintains guaranteed latency for event reporting.
Abstract
We propose an efficient scheme for generating fake network traffic to disguise the real event notification in the presence of a global eavesdropper, which is especially relevant for the quality of service in delay-intolerant applications monitoring rare and spatially sparse events, and deployed as large wireless sensor networks with single data collector. The efficiency of the scheme that provides statistical source anonymity is achieved by partitioning network nodes randomly into several node groups. Members of the same group collectively emulate both temporal and spatial distribution of the event. Under such dummy-traffic framework of the source anonymity protection, we aim to better model the global eavesdropper, especially her way of using statistical tests to detect the real event, and to present the quality of the location protection as relative to the adversary's strength. In…
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Taxonomy
TopicsSecurity in Wireless Sensor Networks · Energy Efficient Wireless Sensor Networks · Network Security and Intrusion Detection
