Usable Security – Password Fallback Authentication

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Usable Security – Password Fallback Authentication COMP6620 – User Interface Design Shaneé Dawkins Robert Voitle

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Usable Security – Password Fallback Authentication. COMP6620 – User Interface Design Shaneé Dawkins Robert Voitle. Project Background. Password Fallback Authentication Resource resorted to when users forget their passwords Existing Tools CAPTCHA Pre-defined questions - PowerPoint PPT Presentation

Transcript of Usable Security – Password Fallback Authentication

Page 1: Usable Security – Password Fallback Authentication

Usable Security – Password Fallback

AuthenticationCOMP6620 – User Interface Design

Shaneé DawkinsRobert Voitle

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Project Background Password Fallback Authentication

› Resource resorted to when users forget their passwords

Existing Tools› CAPTCHA› Pre-defined questions› User-defined questions› Preference based authentication

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Project Overview Preference-based Method

› User chosen images How it works

› User selects 8 preferences during account set up (likes & dislikes)

› User is presented with preferences if password forgotten

› User must make selections› No obscure question answers to memorize

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Account Set Up

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Forgot Password

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Evaluation Usability Study

› Memorability (2 phase study)› Learnability (ease of use)› Safety (security)› Efficiency (time to select preferences)› Effectiveness (completion)› Utility (real world application)

Heuristics› Color blind› Security?


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