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http://www.cs.dartmouth.edu/~sws/abstracts/shsm03.shtml Last modified: 11/01/03 07:46:09 AM

Anna Shubina, Sean Smith.
"Using Caching for Browsing Anonymity."
ACM SIGEcom Exchanges.
Volume 4.2, pp 11-20, Summer 2003.

Abstract

Privacy-providing tools, including tools that provide anonymity, are gaining popularity in the modern world. Among the goals of their users is avoiding tracking and profiling. While some businesses are unhappy with the growth of privacy-enhancing technologies, others can use lack of information about their users to avoid unnecessary liability and even possible harassment by parties with contrary business interests, and to gain a competitive market edge.

Currently, users interested in anonymous browsing have the choice only between single-hop proxies and the few more complex systems that are available. These still leave the user vulnerable to long-term intersection attacks.

In this paper, we propose a caching proxy system for allowing users to retrieve data from the World-Wide Web in a way that would provide recipient unobservability by a third party and sender unobservability by the recipient and thus dispose with intersection attacks, and report on the prototype we built using Google.

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