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Yasmin Abdrabou, Ahmed Shams, Mohamed Omar Mantawy, Anam Ahmad Khan, Mohamed Khamis, Florian Alt, Yomna Abdelrahman
GazeMeter: Exploring the Usage of Gaze Behaviour to Enhance Password Assessments
In ETRA '21: Proceedings of the 2021 ACM Symposium on Eye Tracking Research \& Applications. June 10, 2021. Association for Computing Machinery, New York, NY, USA. (bib)

We investigate the use of gaze behaviour as a means to assess password strength as perceived by users. We contribute to the effort of making users choose passwords that are robust against guessing-attacks. Our particular idea is to consider also the usersâ understanding of password strength in security mechanisms. We demonstrate how eye tracking can enable this: by analysing peopleâs gaze behaviour during password creation, its strength can be determined. To demonstrate the feasibility of this approach, we present a proof of concept study (N = 15) in which we asked participants to create weak and strong passwords. Our findings reveal that it is possible to estimate password strength from gaze behaviour with an accuracy of 86% using Machine Learning. Thus, we enable research on novel interfaces that consider usersâ understanding with the ultimate goal of making users choose stronger passwords.