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Can Ferris Bueller still have his day off? Protecting privacy in the wireless eraby: Ben Greenstein, Ramakrishna Gummadi, Jeffrey Pang, Mike Y. Chen, Tadayoshi Kohno, Srinivasan Seshan, David Wetherall
In HOTOS'07: Proceedings of the 11th USENIX workshop on Hot topics in operating systems (May 2007), pp. 1-6.
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AbstractToday's rich and varied wireless environment, including mobile phones, Wi-Fi-enabled laptops, and Bluetooth headsets, poses threats to our privacy that cannot be addressed with existing protocols. By considering 802.11 as a case study and analyzing publicly available 802.11 traces, we show that a device can be identified and tracked over time through its persistent link-layer address, list of known networks (SSIDs), and other protocol and physical layer characteristics. We argue that it is in the best interest of providers as well as users to design systems that maintain user privacy. We identify several research challenges to doing so and offer some direction towards a solution.
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