Designing and Evaluating Challenge-Question Systems
Author(s): Mike Just

Date: September 2004
Publication: IEEE Security & Privacy Journal, Volume 2, Number 5
Page(s): 32 - 39
Publisher: IEEE
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Abstract or Summary:
The author describes a framework for designing user authentication systems with challenge questions that includes privacy, security, and usability criteria for evaluating a candidate challenge-question system. The proposed challenge-question system for recovering user credentials is based on this framework. Note: Related to Just's paper Designing Authentication Systems with Challenge Questions.

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