Third-Party Data Leaks on the 500 Most Popular Websites

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dc.contributor.authorCarlsson, Robin
dc.contributor.authorLohi, Henna
dc.contributor.authorRajapaksha, Sammani
dc.contributor.authorPuhtila, Panu
dc.contributor.authorHeino, Timi
dc.contributor.authorRauti, Sampsa
dc.contributor.organizationfi=ohjelmistotekniikka|en=Software Engineering|
dc.contributor.organizationfi=tietotekniikan laitos|en=Department of Computing|
dc.contributor.organization-code1.2.246.10.2458963.20.71310837563
dc.contributor.organization-code1.2.246.10.2458963.20.85312822902
dc.contributor.organization-code2610302
dc.converis.publication-id500458594
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/500458594
dc.date.accessioned2026-01-21T14:44:27Z
dc.date.available2026-01-21T14:44:27Z
dc.description.abstract<p>With the advent of digitalization, the use of online services for everyday tasks has greatly increased. In this study, we examine privacy of the 500 most popular websites in the world to determine to what extent these websites leak their visitors’ personal data to third parties. We analyze the network traffic of the websites to see whether they leak the URLs visited by the user and search terms. Our findings show that 58.0% of the studied websites leak such personal data to outside actors. These results demonstrate that the user’s privacy is in danger on a large portion of the studied websites. The sheer number of found third-party services on many websites also introduces several challenges concerning sustainability and fair data processing practices.<br></p>
dc.format.pagerange49
dc.format.pagerange56
dc.identifier.isbn979-8-4007-1736-9
dc.identifier.olddbid213640
dc.identifier.oldhandle10024/196658
dc.identifier.urihttps://www.utupub.fi/handle/11111/55691
dc.identifier.urlhttps://doi.org/10.1145/3711954.3711960
dc.identifier.urnURN:NBN:fi-fe202601215790
dc.language.isoen
dc.okm.affiliatedauthorCarlsson, Robin
dc.okm.affiliatedauthorLohi, Henna
dc.okm.affiliatedauthorRajapaksha, Sammani
dc.okm.affiliatedauthorPuhtila, Panu
dc.okm.affiliatedauthorHeino, Timi
dc.okm.affiliatedauthorRauti, Sampsa
dc.okm.discipline113 Computer and information sciencesen_GB
dc.okm.discipline113 Tietojenkäsittely ja informaatiotieteetfi_FI
dc.okm.internationalcopublicationnot an international co-publication
dc.okm.internationalityInternational publication
dc.okm.typeA4 Conference Article
dc.publisher.countryUnited Statesen_GB
dc.publisher.countryYhdysvallat (USA)fi_FI
dc.publisher.country-codeUS
dc.relation.conferenceInternational Conference on Information Systems Engineering
dc.relation.doi10.1145/3711954.3711960
dc.source.identifierhttps://www.utupub.fi/handle/10024/196658
dc.titleThird-Party Data Leaks on the 500 Most Popular Websites
dc.title.bookICISE '24: Proceedings of the 2024 9th International Conference on Information Systems Engineering
dc.year.issued2025

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