A Multimodal Biometric User Identification System Based on Keystroke Dynamics and Mouse Movements
In this work it is shown how the behavioral biometrics allows to strengthen security of a personal computer during casual use. The user does not have to be even aware of verification system running in the background. Unfortunately, short passwords do not
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aculty of Mathematics and Information Science, Warsaw University of Technology, Warsaw, Poland {p.panasiuk,k.saeed}@mini.pw.edu.pl 2 Faculty of Computer Science, Bialystok University of Technology, Bialystok, Poland [email protected], [email protected]
Abstract. In this work it is shown how the behavioral biometrics allows to strengthen security of a personal computer during casual use. The user does not have to be even aware of verification system running in the background. Unfortunately, short passwords do not supply enough data for keystroke dynamics algorithms to be precise enough to keep the way and level the biometrics system requires. Behavioral biometrics cannot grant such authentication level as the other physiological biometric methods, e.g. fingerprint or retina scan. However, their transparency in analyzing data allows to merge methods into multimodal systems with a minimal cost. The benefit of keystroke dynamics is that it can be easily connected with some other biometric methods, especially with other human input interface devices. In this paper an approach to analyze keystroke dynamics along with mouse movement is presented. Even though both of the features are of behavioral character and hence with low repeatability, the results are good and promising for further research and modification. Keywords: Keystroke dynamics Mouse biometrics Authentication Systems security Multimodal system
Biometrics Behavioral Multibiometrics Fusion
1 Introduction Today data safety is one of the most discussed terms. People need to prove who they really are at every turn. This includes banking, healthcare, communication and much more. Something you know and something you have - these are the most common methods used to prove your identity. You know your password, but you may forget it if you are not using it often or have too many of them to remember. Things such as tokens or cards can be used instead and they let you free of remembering sophisticated sequences of various letters, numbers and other special characters. The thing is, tokens and cards can be lost, stolen or even destroyed quite easily. Thus, another way for authentication is needed. Here comes biometrics. Something you are cannot be lost or © IFIP International Federation for Information Processing 2016 Published by Springer International Publishing Switzerland 2016. All Rights Reserved K. Saeed and W. Homenda (Eds.): CISIM 2016, LNCS 9842, pp. 672–681, 2016. DOI: 10.1007/978-3-319-45378-1_58
A Multimodal Biometric User Identification System
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forgotten. These are based on human behavioral and physical characteristics that can be measured and cannot be easy to imitate. Physiological features may include fingerprint, DNA, hand geometry, retinal scan and others that come from how organisms are built. Behavioral features on the other hand are based on how people do things, for example voice (the way one talks), gait (the way one walks) or keystroke dynamics (the way one strikes or touches the keys on the keyboard), and so on.
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