Persuasive Cued Click Based Graphical Password with Scrambling For Knowledge Based Authentication Technique with Image Scrambling
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2013, Vol 13, Issue 2
Abstract
Adequate user authentication is a persistent problem, particularly with hand- held 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 corporate settings where they pose a security risk, not only by containing sensitive information, but also by providing the means to access such information over wireless network interfaces. User authentication is the first line of defense for a lost or stolen PDA. How- ever, motivating users to enable simple PIN or password mechanisms and periodically update their authentication information is a constant struggle. This paper describes a general-purpose mechanism for authenticating a user to a PDA using a visual login technique called Picture Password. The underlying rationale is that image recall is an easy and natural way for users to authenticate, removing a serious barrier to compliance with organizational policy. Features of Picture Password include style dependent image selection, password reuse, and embedded salting, which overcome a number of problems with knowledge-based authentication for handheld devices. Though designed specifically for handheld devices, Picture Password is also suitable for note-books, workstations, and other computational devices. Scrambling technique is applied to make image recognition more complex during the login process and thus protecting from the common attacks in the graphical password system
Authors and Affiliations
BINITHA V . M
Keywords
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