Identity authentication based on keystroke latencies
Communications of the ACM
Dynamic identity verification via keystroke characteristics
International Journal of Man-Machine Studies
Password hardening based on keystroke dynamics
CCS '99 Proceedings of the 6th ACM conference on Computer and communications security
Pattern Classification (2nd Edition)
Pattern Classification (2nd Edition)
Keystroke analysis of free text
ACM Transactions on Information and System Security (TISSEC)
Using Continuous Biometric Verification to Protect Interactive Login Sessions
ACSAC '05 Proceedings of the 21st Annual Computer Security Applications Conference
CVPRW '06 Proceedings of the 2006 Conference on Computer Vision and Pattern Recognition Workshop
Biometric access control through numerical keyboards based on keystroke dynamics
ICB'06 Proceedings of the 2006 international conference on Advances in Biometrics
Keystroke-based authentication by key press intervals as a complementary behavioral biometric
SMC'09 Proceedings of the 2009 IEEE international conference on Systems, Man and Cybernetics
Complexity measurement of a password for keystroke dynamics: preliminary study
Proceedings of the 6th International Conference on Security of Information and Networks
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It is well known that Keystroke Dynamics can be used as a biometric to authenticate users. But most work to date use fixed strings, such as userid or password. In this paper, we study the feasibility of using Keystroke Dynamics as a biometric in a more general setting, where users go about their normal daily activities of emailing, web surfing, and so on. We design two classifiers that appropriate for one-time and continuous authentication. We also propose a new Goodness Measure to compute the quality of a word used for Keystroke Dynamics. From our experiments we find that, surprisingly, non-English words are better suited for identification than English words.