Computer Users Have Unique Yet Temporally Inconsistent Computer Usage Profiles

05/20/2021
by   Luiz Giovanini, et al.
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This paper investigates whether computer usage profiles comprised of process-, network-, mouse- and keystroke-related events are unique and temporally consistent in a naturalistic setting, discussing challenges and opportunities of using such profiles in applications of continuous authentication. We collected ecologically-valid computer usage profiles from 28 MS Windows 10 computer users over 8 weeks and submitted this data to comprehensive machine learning analysis involving a diverse set of online and offline classifiers. We found that (i) computer usage profiles have the potential to uniquely characterize computer users (with a maximum F-score of 99.94 recognize profiles (95.14 network-related); (iii) user profiles were mostly inconsistent over the 8-week data collection period, with 92.86 and usage habits; and (iv) online models are better suited to handle computer usage profiles compared to offline models (maximum F-score for each approach was 95.99

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