Usable Security – Password Fallback Authentication COMP6620 – User Interface Design Shaneé Dawkins Robert Voitle
Usable Security – Password Fallback Authentication
Mar 23, 2016
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
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Usable Security – Password Fallback
AuthenticationCOMP6620 – User Interface Design
Shaneé DawkinsRobert Voitle
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
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
Account Set Up
Forgot Password
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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