A Threat to Friendship Privacy in Facebook

Abstract : The rapid growth of social networks, primarily Facebook, has coincided with an increasing concern over personal privacy. This explains why more and more users personalize their Facebook privacy settings. As a matter of fact, the list of friends is often one of the profile sections kept private, meaning that this information is perceived as sensible.In this paper, we study the robustness of this privacy protection feature, showing that it can be broken even in the less advantageous conditions for the adversary. To do this, we exploit both the potential information extracted from user alter accounts in Twitter and a social network property, recently demonstrated for Twitter, called interest assortativity. The preliminary experimental results reported in this paper, give a first evidence of the effectiveness of our attack, which succeeds even in the most difficult case that is when the information about the victim are minimum.
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Communication dans un congrès
Francesco Buccafurri; Andreas Holzinger; Peter Kieseberg; A Min Tjoa; Edgar Weippl. International Conference on Availability, Reliability, and Security (CD-ARES), Aug 2016, Salzburg, Austria. Springer International Publishing, Lecture Notes in Computer Science, LNCS-9817, pp.96-105, 2016, Availability, Reliability, and Security in Information Systems. 〈10.1007/978-3-319-45507-5_7〉
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Francesco Buccafurri, Gianluca Lax, Serena Nicolazzo, Antonino Nocera. A Threat to Friendship Privacy in Facebook. Francesco Buccafurri; Andreas Holzinger; Peter Kieseberg; A Min Tjoa; Edgar Weippl. International Conference on Availability, Reliability, and Security (CD-ARES), Aug 2016, Salzburg, Austria. Springer International Publishing, Lecture Notes in Computer Science, LNCS-9817, pp.96-105, 2016, Availability, Reliability, and Security in Information Systems. 〈10.1007/978-3-319-45507-5_7〉. 〈hal-01635021〉

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