Web Hack List

Later archive addition

Stealing sensitive browser data with the W3C Ambient Light Sensor API

The article shows that screen pixels influence ambient-light readings exposed to browser JavaScript. By making visited-link state or cross-origin image bits control screen brightness, an attacker can recover otherwise isolated information one bit at a time through the sensor feedback channel.

Record

Researcher
Lukasz Olejnik
Published by
Security and Privacy Tech Inquiries
Date

In the archive

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This page is the archive's own catalogue record. The research is the work of Lukasz Olejnik, first published at the original source. Preserved copies are kept so the citation survives its host.