Biblio
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2016. LuxLeak: Capturing Computing Activity Using Smart Device Ambient Light Sensors. Proceedings of the 2Nd Workshop on Experiences in the Design and Implementation of Smart Objects. :47–52.
In this paper, we consider side-channel mechanisms, specifically using smart device ambient light sensors, to capture information about user computing activity. We distinguish keyboard keystrokes using only the ambient light sensor readings from a smart watch worn on the user's non-dominant hand. Additionally, we investigate the feasibility of capturing screen emanations for determining user browser usage patterns. The experimental results expose privacy and security risks, as well as the potential for new mobile user interfaces and applications.