An Obfuscation-Based Approach for Protecting Location Privacy
The pervasive diffusion of mobile communication devices and the technical improvements of location techniques are fostering the development of new applications that use the physical position of users to offer location-based services for business, social, or informational purposes. In such a context,...
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Veröffentlicht in: | IEEE transactions on dependable and secure computing 2011-01, Vol.8 (1), p.13-27 |
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creator | Ardagna, Claudio A Cremonini, Marco De Capitani di Vimercati, Sabrina Samarati, Pierangela |
description | The pervasive diffusion of mobile communication devices and the technical improvements of location techniques are fostering the development of new applications that use the physical position of users to offer location-based services for business, social, or informational purposes. In such a context, privacy concerns are increasing and call for sophisticated solutions able to guarantee different levels of location privacy to the users. In this paper, we address this problem and present a solution based on different obfuscation operators that, when used individually or in combination, protect the privacy of the location information of users. We also introduce an adversary model and provide an analysis of the proposed obfuscation operators to evaluate their robustness against adversaries aiming to reverse the obfuscation effects to retrieve a location that better approximates the location of the users. Finally, we present some experimental results that validate our solution. |
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users to offer location-based services for business, social, or informational purposes. In such a context, privacy concerns are increasing and call for sophisticated solutions able to guarantee different levels of location privacy to the users. In this paper, we address this problem and present a solution based on different obfuscation operators that, when used individually or in combination, protect the privacy of the location information of users. We also introduce an adversary model and provide an analysis of the proposed obfuscation operators to evaluate their robustness against adversaries aiming to reverse the obfuscation effects to retrieve a location that better approximates the location of the users. Finally, we present some experimental results that validate our solution.</abstract><cop>Washington</cop><pub>IEEE</pub><doi>10.1109/TDSC.2009.25</doi><tpages>15</tpages></addata></record> |
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subjects | Accuracy Approximation Business Business communication Cellular phones Cellular telephones Context Costs Diffusion Digital Object Identifier Identity management systems Location based services Mathematical models Mobile communication Mobile communications networks Network security obfuscation techniques Operators Personal information Position (location) Privacy Protection Robustness Social network services Studies Technology |
title | An Obfuscation-Based Approach for Protecting Location Privacy |
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