Privacy News Almost Secure Blog: BIScience: Collecting browsing history under false pretenses

[Gandalf_The_Grey]

Content source

https://palant.info/2025/01/13/biscience-collecting-browsing-history-under-false-pretenses/

Recently, John Tuckner of Secure Annex and Wladimir Palant published great research about how BIScience and its various brands collect user data. This inspired us to publish part of our ongoing research to help the extension ecosystem be safer from bad actors.

This post details what BIScience does with the collected data and how their public disclosures are inconsistent with actual practices, based on evidence compiled over several years.

BIScience: Collecting browsing history under false pretenses

BIScience is a long-established data broker that owns multiple extensions in the Chrome Web Store (CWS) that collect clickstream data under false pretenses. They also provide a software development kit (SDK) to partner third-party extension developers to collect and sell clickstream data from...

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