Data Driven Authentication: On the Effectiveness of User Behaviour Modelling with Mobile Device Sensors

Hilmi Gunes Kayacik, Mike Just, Lynne Baillie, David Aspinall, Nicholas Micallef

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Abstract

We propose a lightweight, and temporally and spatially aware user behaviour modelling technique for sensor-based authentication. Operating in the background, our data driven technique compares current behaviour with a user profile. If the behaviour deviates sufficiently from the established norm, actions such as explicit authentication can be triggered. To support a quick and lightweight deployment, our solution automatically switches from training mode to deployment mode when the user's behaviour is sufficiently learned. Furthermore, it allows the device to automatically determine a suitable detection threshold. We use our model to investigate practical aspects of sensor-based authentication by applying it to three publicly available data sets, computing expected times for training duration and behaviour drift. We also test our model with scenarios involving an attacker with varying knowledge and capabilities.
Original languageEnglish
Title of host publicationProceedings of the Third Workshop on Mobile Security Technologies (MoST) 2014
Publication statusPublished - 28 Oct 2014

Keywords

  • cs.CR

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    Kayacik, H. G., Just, M., Baillie, L., Aspinall, D., & Micallef, N. (2014). Data Driven Authentication: On the Effectiveness of User Behaviour Modelling with Mobile Device Sensors. In Proceedings of the Third Workshop on Mobile Security Technologies (MoST) 2014 http://mostconf.org/2014/