The OnLine Tracking Horde
50° appuntamento del ciclo d'incontri "i Nexa Lunch Seminar"
Ospite: Stefano Traverso (DET, Politecnico di Torino).
During the visit to any website, the average internaut may face scripts that upload personal information to so called online trackers, invisible third party services that collect information about users and profile them. This is no news, and many works in the past tried to measure the extensiveness of this phenomenon. All of them ran active measurement campaigns via crawlers.
We observe the phenomenon from a passive angle, to naturally factor the diversity of the Internet and of its users. We analyze a large dataset of passively collected traffic summaries to observe how pervasive online tracking is. We see more
than 400 tracking services being contacted by unaware users, of which the top 100 are regularly reached by more than 50% of Internauts, with top three that are practically impossible to escape. Worse, more than 80% of users gets in touch the
first tracker within 1 second after starting navigating. And we see a lot of websites that hosts hundreds of tracking services. Conversely, those popular web extensions that may improve personal protection, e.g., Ghostery, are actually installed by a
handful of users (3.5%).
We also present the first experimental campaign aimed at benchmarking popular plug-ins for web privacy preservation to date. We select 7 different plug-ins and setup a testbed to automatically browse regular web pages, while collecting navigation data. We analyze this data to compare each plug- in, considering both privacy-protection and performance angles.
The resulting picture witnesses how pervasive web tracking is, and describes the effectiveness of available ountermeasures.
Ingresso libero fino ad esaurimento posti
Live streaming: http://nexa.polito.it/upcoming-events
URL dell'incontro: https://nexa.polito.it/lunch-50