The Digital Marauder’s Map: A New Threat to Location Privacy in Wireless Networks
نویسندگان
چکیده
“The Marauder’s Map” is a magical map in J. K. Rowling’s fantasy series, “Harry Potter and the Prisoner of Azkaban”. When being used by wizards who “solemnly swear that I am up to no good”, it shows all moving objects within the boundary of the “Hogwarts School of Witchcraft and Wizardry”. In this paper, we introduce a similar attack to location privacy in wireless networks. Our system, namely the digital Marauder’s map, can reveal the locations of WiFi-enabled mobile devices within the coverage area of a single high-gain antenna. The digital Marauder’s map is built solely with off-theshelf wireless equipments, and features a mobile design that can be quickly deployed to a new location and instantly used without training. We present a comprehensive set of theoretical analysis and experimental results which demonstrate the coverage and localization accuracy of the digital Marauder’s map.
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