Improving authentication accuracy of unfamiliar passwords with pauses and cues for keystroke dynamics-based authentication

Authors:
Seong-seob Hwang;Hyoung-joo Lee;Sungzoon Cho
Affiliations:
Department of Industrial Engineering, Seoul National University, Seoul, Korea;Department of Industrial Engineering, Seoul National University, Seoul, Korea;Department of Industrial Engineering, Seoul National University, Seoul, Korea
Venue:
WISI'06 Proceedings of the 2006 international conference on Intelligence and Security Informatics
Year:
2006

Citing 7
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Abstract

Keystroke dynamics-based authentication (KDA) is to verify a user's identification using not only the password but also keystroke patterns. The authors have shown in previous research that uniqueness and consistency of keystroke patterns are important factors to authentication accuracy and that they can be improved by employing artificial rhythms and tempo cues. In this paper, we implement the pause strategy and/or auditory cues for KDA and assess their effectiveness using various novelty detectors. Experimental results show that improved uniqueness and consistency lead to enhanced authentication performance, in particular for those users with poor typing ability.