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Martin Bajanik


Software Engineer, Core API (R&D, Security)

Martin Bajanik Articles

Martin Bajanik's Articles

user identification
September 14, 2022

Why Browser Anti-Fingerprinting Techniques Are Not Effective

There are two common approaches when it comes to preventing browser fingerprinting. The more commonly implemented method makes all browser instances across all devices look as similar as possible. In theory, any fingerprinting should result in a single identifier or a very small number of different identifiers distributed across all devices, making the fingerprints useless.

Safari 15 IndexDB API vulnerability
January 14, 2022

Exploiting IndexedDB API information leaks in Safari 15

In this article we discuss a software bug introduced in Safari 15’s implementation of the IndexedDB API that lets any website track your internet activity and even reveal your identity.