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Increasing the security of gaze-based cued-recall graphical passwords using saliency masks

Bulling, Andreas and Alt, Florian and Schmidt, Albrecht (2012) Increasing the security of gaze-based cued-recall graphical passwords using saliency masks. In: Proceedings of the 2012 ACM annual conference on Human Factors in Computing Systems. CHI '12 . ACM, New York, pp. 3011-3020. ISBN 978-1-4503-1015-4

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Abstract

With computers being used ever more ubiquitously in situations where privacy is important, secure user authentication is a central requirement. Gaze-based graphical passwords are a particularly promising means for shoulder-surfing-resistant authentication, but selecting secure passwords remains challenging. In this paper, we present a novel gaze-based authentication scheme that makes use of cued-recall graphical passwords on a single image. In order to increase password security, our approach uses a computational model of visual attention to mask those areas of the image that are most likely to attract visual attention. We create a realistic threat model for attacks that may occur in public settings, such as filming the user's interaction while drawing money from an ATM. Based on a 12-participant user study, we show that our approach is significantly more secure than a standard image-based authentication and gaze-based 4-digit PIN entry.

Item Type: Contribution in Book/Report/Proceedings
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 57257
Deposited By: ep_importer_pure
Deposited On: 13 Aug 2012 09:53
Refereed?: No
Published?: Published
Last Modified: 10 Apr 2014 01:23
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/57257

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