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2008 Technical Reports

Carleton University - School of Computer Science
Technical Report TR-11-03

February 22, 2011
Persuasive Cued Click-Points: Design, implementation, and evaluation of a knowledge-based authentication mechanism

S. Chiasson, E. Stobert, A. Forget, R. Biddle, and P. van Oorschot

ABSTRACT

This paper introduces and presents the results of a systemic study of the Persuasive Cued Click-Points graphical password scheme, including usability and security evaluations, and implementation considerations. An important usability goal for knowledge-based authentication systems is to support users in selecting better passwords, thus increasing security by expanding the effective password space. We use persuasion to influence user choice in click-based graphical passwords, encouraging users to select more random, and hence more difficult to guess, click-points.


[Download TR-11-03]