Anomaly Detection Approach To Keystroke Dynamics Based User Authentication

2017 IEEE SYMPOSIUM ON COMPUTERS AND COMMUNICATIONS (ISCC)(2017)

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摘要
Keystroke dynamics is one of the authentication mechanisms which uses natural typing pattern of a user for identification. In this work, we introduced Dependence Clustering based approach to user authentication using keystroke dynamics. In addition, we applied a k-NN-based approach that demonstrated strong results. Most of the existing approaches use only genuine users data for training and validation. We designed a cross validation procedure with artificially generated impostor samples that improves the learning process yet allows fair comparison to previous works. We evaluated the methods using the CMU keystroke dynamics benchmark dataset. Both proposed approaches outperformed the previous state-of-the-art results for the CMU dataset for unsupervised learning.
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关键词
anomaly detection,user authentication mechanisms,dependence clustering,learning process,CMU keystroke dynamics benchmark dataset,CMU dataset,unsupervised learning
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