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dc.contributor.authorBujlow, Tomasz
dc.contributor.authorCarela Español, Valentín
dc.contributor.authorSolé Pareta, Josep
dc.contributor.authorBarlet Ros, Pere
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors
dc.identifier.citationBujlow, T., Carela, V., Solé-Pareta, J., Barlet, P. A survey on web tracking: mechanisms, implications, and defenses. "Proceedings of the IEEE", 1 Agost 2017, vol. 105, núm. 8, p. 1476-1510.
dc.description.abstractPrivacy seems to be the Achilles' heel of today's web. Most web services make continuous efforts to track their users and to obtain as much personal information as they can from the things they search, the sites they visit, the people they contact, and the products they buy. This information is mostly used for commercial purposes, which go far beyond targeted advertising. Although many users are already aware of the privacy risks involved in the use of internet services, the particular methods and technologies used for tracking them are much less known. In this survey, we review the existing literature on the methods used by web services to track the users online as well as their purposes, implications, and possible user's defenses. We present five main groups of methods used for user tracking, which are based on sessions, client storage, client cache, fingerprinting, and other approaches. A special focus is placed on mechanisms that use web caches, operational caches, and fingerprinting, as they are usually very rich in terms of using various creative methodologies. We also show how the users can be identified on the web and associated with their real names, e-mail addresses, phone numbers, or even street addresses. We show why tracking is being used and its possible implications for the users. For each of the tracking methods, we present possible defenses. Some of them are specific to a particular tracking approach, while others are more universal (block more than one threat). Finally, we present the future trends in user tracking and show that they can potentially pose significant threats to the users' privacy.
dc.format.extent35 p.
dc.subjectÀrees temàtiques de la UPC::Informàtica::Seguretat informàtica
dc.subject.lcshWeb services
dc.subject.lcshData protection
dc.subject.otherDefenses against tracking
dc.subject.otherFuture of tracking
dc.subject.otherTracking discovery
dc.subject.otherTracking implications
dc.subject.otherTracking mechanisms
dc.subject.otherUser identification
dc.subject.otherWeb tracking
dc.titleA survey on web tracking: mechanisms, implications, and defenses
dc.subject.lemacServeis web
dc.subject.lemacProtecció de dades
dc.contributor.groupUniversitat Politècnica de Catalunya. CBA - Sistemes de Comunicacions i Arquitectures de Banda Ampla
dc.description.peerreviewedPeer Reviewed
dc.rights.accessOpen Access
dc.description.versionPostprint (author's final draft)
upcommons.citation.authorBujlow, T.; Carela, V.; Solé-Pareta, J.; Barlet, P.
upcommons.citation.publicationNameProceedings of the IEEE

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