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- W89612431 abstract "Adequate user authentication is a persistent problem, particularly with mobile devices such as Personal Digital Assistants (PDAs), which tend to be highly personal and at the fringes of an organization's influence. Yet these devices are being used increasingly in military and government agencies, hospitals, and other business settings, where they pose a risk to security and privacy, not only from sensitive information they may contain, but also from the means they typically offer to access such information over wireless networks. User authentication is the first line of defence for a mobile device that falls into the hands of an unauthorized individual. However, motivating users to enable simple PIN or password mechanisms and periodically update their authentication information is difficult at best. This paper describes a general-purpose mechanism for authenticating users through image selection. The underlying rationale is that image recall is an easy and natural way for users to authenticate, removing a serious barrier to users' compliance with corporate policy. The approach described distinguishes itself from other attempts in this area in several ways, including style dependent image selection, password reuse, and embedded salting, which collectively overcome a number of problems in employing knowledge-based authentication on mobile devices." @default.
- W89612431 created "2016-06-24" @default.
- W89612431 creator A5040157287 @default.
- W89612431 date "2004-04-07" @default.
- W89612431 modified "2023-09-26" @default.
- W89612431 title "Authenticating Mobile Device UsersThrough Image Selection" @default.
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- W89612431 doi "https://doi.org/10.2495/nl040191" @default.
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