Journal
IEEE INTERNET OF THINGS JOURNAL
Volume 8, Issue 1, Pages 65-84Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JIOT.2020.3020076
Keywords
Authentication; Biometrics (access control); Sensors; Physiology; Knowledge based systems; Smart phones; Continuous authentication; mobile sensing; sensor-based authentication; smartphone authentication
Categories
Funding
- CyberFlorida Collaborative Seed Award
- NRF [2016K1A1A2912757]
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The importance of security and user authentication on mobile devices is increasing, with embedded sensors capturing behavioral biometrics for continuous and implicit user authentication.
Mobile devices and technologies have become increasingly popular, offering comparable storage and computational capabilities to desktop computers allowing users to store and interact with sensitive and private information. The security and protection of such personal information are becoming more and more important since mobile devices are vulnerable to unauthorized access or theft. User authentication is a task of paramount importance that grants access to legitimate users at the point of entry and continuously through the usage session. This task is made possible with today's smartphones' embedded sensors that enable continuous and implicit user authentication by capturing behavioral biometrics and traits. In this article, we survey more than 140 recent behavioral biometric-based approaches for continuous user authentication, including motion-based methods (28 studies), gait-based methods (19 studies), keystroke dynamics-based methods (20 studies), touch gesture-based methods (29 studies), voice-based methods (16 studies), and multimodal-based methods (34 studies). The survey provides an overview of the current state-of-the-art approaches for continuous user authentication using behavioral biometrics captured by smartphones' embedded sensors, including insights and open challenges for adoption, usability, and performance.
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