Collateral Damage of Facebook Apps: Friends, Providers, and Privacy Interdependence

Abstract : Third-party apps enable a personalized experience on social networking platforms; however, they give rise to privacy interdependence issues. Apps installed by a user’s friends can collect and potentially misuse her personal data inflicting collateral damage on the user while leaving her without proper means of control. In this paper, we present a multi-faceted study on the collateral information collection of apps in social networks. We conduct a user survey and show that Facebook users are concerned about this issue and the lack of mechanisms to control it. Based on real data, we compute the likelihood of collateral information collection affecting users; we show that the probability is significant and depends on both the friendship network and the popularity of the app. We also show its significance by computing the proportion of exposed user attributes including the case of profiling, when several apps are offered by the same provider. Finally, we propose a privacy dashboard concept enabling users to control the collateral damage.
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Communication dans un congrès
Jaap-Henk Hoepman; Stefan Katzenbeisser. 31st IFIP International Information Security and Privacy Conference (SEC), May 2016, Ghent, Belgium. IFIP Advances in Information and Communication Technology, AICT-471, pp.194-208, 2016, ICT Systems Security and Privacy Protection. 〈10.1007/978-3-319-33630-5_14〉
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Iraklis Symeonidis, Fatemeh Shirazi, Gergely Biczók, Cristina Pérez-Solà, Bart Preneel. Collateral Damage of Facebook Apps: Friends, Providers, and Privacy Interdependence. Jaap-Henk Hoepman; Stefan Katzenbeisser. 31st IFIP International Information Security and Privacy Conference (SEC), May 2016, Ghent, Belgium. IFIP Advances in Information and Communication Technology, AICT-471, pp.194-208, 2016, ICT Systems Security and Privacy Protection. 〈10.1007/978-3-319-33630-5_14〉. 〈hal-01369553〉

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