Framework for user behavioural biometric identification using a multimodal scheme with keystroke trajectory feature and recurrent neural network on a mobile platform

Abstract Diverse applications are used on mobile devices. Because of the increasing dependence on information systems, immense amounts of personal and sensitive data are stored on mobile devices. Thus, security or privacy breaches are a major challenge. To protect mobile systems and the private info...

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Main Authors: Ka‐Wing Tse, Kevin Hung
Format: Article
Language:English
Published: Wiley 2022-03-01
Series:IET Biometrics
Subjects:
Online Access:https://doi.org/10.1049/bme2.12065
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author Ka‐Wing Tse
Kevin Hung
author_facet Ka‐Wing Tse
Kevin Hung
author_sort Ka‐Wing Tse
collection DOAJ
description Abstract Diverse applications are used on mobile devices. Because of the increasing dependence on information systems, immense amounts of personal and sensitive data are stored on mobile devices. Thus, security or privacy breaches are a major challenge. To protect mobile systems and the private information on these systems from being accessed by adversaries, a framework for mobile user identification through the use of a multimodal behavioural biometrics scheme with a keystroke trajectory feature is presented herein. Conventionally, mobile devices have been protected by mechanisms such as PINs or passwords. However, these approaches have numerous disadvantages. Therefore, approaches that employ keystroke biometrics for secure and reliable mobile device identification have been proposed. Because unimodal behavioural biometrics identification mechanisms have limited accuracy and effectiveness, a multimodal scheme that includes different behavioural biometric traits, such as keystroke and swipe biometric traits, is examined. However, the information provided by the spatial and temporal features of keystroke biometrics is not comprehensive. Therefore, a trajectory model is derived to describe the behavioural biometric uniqueness of a user. In the user identification phase, a multistream recurrent neural network (RNN) is adopted. The results reveal that the proposed trajectory model performs well, and the multimodal scheme using an RNN with a late fusion method provides accurate identification results. The proposed system achieved an accuracy of 95.29%, F1 score of 94.64%, and equal error rate of 1.78%. Thus, the proposed mobile identification system is capable of resisting attacks that standard mechanisms may be vulnerable to and represents a valuable contribution to cyber security.
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institution Kabale University
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spelling doaj-art-55e820bbd92a43e4b27a67231fd4a5b92025-02-03T06:47:38ZengWileyIET Biometrics2047-49382047-49462022-03-0111215717010.1049/bme2.12065Framework for user behavioural biometric identification using a multimodal scheme with keystroke trajectory feature and recurrent neural network on a mobile platformKa‐Wing Tse0Kevin Hung1School of Science and Technology Hong Kong Metropolitan University Hong Kong ChinaSchool of Science and Technology Hong Kong Metropolitan University Hong Kong ChinaAbstract Diverse applications are used on mobile devices. Because of the increasing dependence on information systems, immense amounts of personal and sensitive data are stored on mobile devices. Thus, security or privacy breaches are a major challenge. To protect mobile systems and the private information on these systems from being accessed by adversaries, a framework for mobile user identification through the use of a multimodal behavioural biometrics scheme with a keystroke trajectory feature is presented herein. Conventionally, mobile devices have been protected by mechanisms such as PINs or passwords. However, these approaches have numerous disadvantages. Therefore, approaches that employ keystroke biometrics for secure and reliable mobile device identification have been proposed. Because unimodal behavioural biometrics identification mechanisms have limited accuracy and effectiveness, a multimodal scheme that includes different behavioural biometric traits, such as keystroke and swipe biometric traits, is examined. However, the information provided by the spatial and temporal features of keystroke biometrics is not comprehensive. Therefore, a trajectory model is derived to describe the behavioural biometric uniqueness of a user. In the user identification phase, a multistream recurrent neural network (RNN) is adopted. The results reveal that the proposed trajectory model performs well, and the multimodal scheme using an RNN with a late fusion method provides accurate identification results. The proposed system achieved an accuracy of 95.29%, F1 score of 94.64%, and equal error rate of 1.78%. Thus, the proposed mobile identification system is capable of resisting attacks that standard mechanisms may be vulnerable to and represents a valuable contribution to cyber security.https://doi.org/10.1049/bme2.12065behavioural biometricsmobile devicemultimodalitysecuritytrajectory
spellingShingle Ka‐Wing Tse
Kevin Hung
Framework for user behavioural biometric identification using a multimodal scheme with keystroke trajectory feature and recurrent neural network on a mobile platform
IET Biometrics
behavioural biometrics
mobile device
multimodality
security
trajectory
title Framework for user behavioural biometric identification using a multimodal scheme with keystroke trajectory feature and recurrent neural network on a mobile platform
title_full Framework for user behavioural biometric identification using a multimodal scheme with keystroke trajectory feature and recurrent neural network on a mobile platform
title_fullStr Framework for user behavioural biometric identification using a multimodal scheme with keystroke trajectory feature and recurrent neural network on a mobile platform
title_full_unstemmed Framework for user behavioural biometric identification using a multimodal scheme with keystroke trajectory feature and recurrent neural network on a mobile platform
title_short Framework for user behavioural biometric identification using a multimodal scheme with keystroke trajectory feature and recurrent neural network on a mobile platform
title_sort framework for user behavioural biometric identification using a multimodal scheme with keystroke trajectory feature and recurrent neural network on a mobile platform
topic behavioural biometrics
mobile device
multimodality
security
trajectory
url https://doi.org/10.1049/bme2.12065
work_keys_str_mv AT kawingtse frameworkforuserbehaviouralbiometricidentificationusingamultimodalschemewithkeystroketrajectoryfeatureandrecurrentneuralnetworkonamobileplatform
AT kevinhung frameworkforuserbehaviouralbiometricidentificationusingamultimodalschemewithkeystroketrajectoryfeatureandrecurrentneuralnetworkonamobileplatform