On the Security of Picture Gesture Authentication

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Provided by: Arizona State University
Topic: Security
Format: PDF
Computing devices with touch-screens have experienced unprecedented growth in recent years. Such an evolutionary advance has been facilitated by various applications that are heavily relying on multi-touch gestures. In addition, picture gesture authentication has been recently introduced as an alternative login experience to text-based password on such devices. In particular, the new Microsoft Windows 8TM operating system adopts such an alternative authentication to complement traditional text-based authentication. In this paper, the authors present an empirical analysis of picture gesture authentication on more than 10,000 picture passwords collected from over 800 subjects through online user studies.
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