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    Enhancing usability and security in click-based visual password systems

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    Authors
    al-Khateeb, Haider
    Maple, Carsten
    Conrad, Marc
    Affiliation
    University of Bedfordshire
    Issue Date
    2010
    Subjects
    click-based systems
    HybridPass
    visual passwords
    cued recall
    usable security
    authentication
    computer security
    
    Metadata
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    Abstract
    Security and usability are key elements in system design. A bad design might result in unnecessary inverse proportion between the two, while a good design must find a balance to achieve usable security. In this paper we present and discuss the results of a user study to show how good application of click-based systems can produce a system people can easily use while maintaining security. In this study, participants were asked to do trials using 5 different prototypes of the system. A comparison between them helped to find the best criteria where there is an acceptable balance between security and usability. For instance, using a relatively small tolerance distance enhances security by increasing the password space, the comparison helps to find how small the distance can be while maintaining usability. Another objective of this study was to distinguish between two types of images; the results revealed that using cartoon images have positive impact on usability. Nevertheless, hotspots occurred and that makes particular images more vulnerable to dictionary attacks. Experiments also show that, if they can chose, users select images more vulnerable to hotspots.
    Citation
    Al-khateeb,H., Maple,C. and Conrad,M. (2010) Enhancing Usability and Security in Click-Based Visual Password Systems”, IADIS e-Society 2010 (ES 2010),pp.371-376, Porto, Portugal.
    Publisher
    IADIS
    URI
    http://hdl.handle.net/10547/270793
    Additional Links
    http://www.iadis.net/dl/Search_list_open.asp?code=6912
    Type
    Conference papers, meetings and proceedings
    Language
    en
    ISBN
    9789728939076
    Collections
    Centre for Research in Distributed Technologies (CREDIT)

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