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Title: Shoulder Surfing on Mobile Authentication: Perception vis-a-vis Performance from the Attacker's Perspective
Shoulder-surfing studies in the context of mobile user authentication have focused on evaluating the attackers' performance, yet have paid much less attention to their perception of the shoulder-surfing process. Whether and how the shoulder-surfing setting might affect the attackers' perception remains under-explored. This study aims to investigate the perception of shoulder surfers with two different password-based mobile user authentication methods and three different observation angles. Moreover, this work examines the relationship between the attackers' perception and performance in shoulder surfing and the possible moderating effect of the authentication method for the first time. Based on the data collected from an online experiment, our analysis results reveal the effects of authentication methods and observation angles on the attackers' perception in terms of cognitive workload, observation clarity, and repetitive learning advantage. In addition, the results also show that the relationship between the attackers' cognitive workload and performance in shoulder surfing varies with the mobile user authentication method. Our findings not only deepen the understanding of shoulder-surfing attacks from an attacker's perspective, but also facilitate developing countermeasures for shoulder-surfing attacks.  more » « less
Award ID(s):
1917537
NSF-PAR ID:
10477475
Author(s) / Creator(s):
; ; ;
Publisher / Repository:
IEEE
Date Published:
Page Range / eLocation ID:
1 to 6
Format(s):
Medium: X
Location:
Charlotte, NC, USA
Sponsoring Org:
National Science Foundation
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