Security Analysis and Related Usability of Motion-Based CAPTCHAs: Decoding Codewords in Motion

Yi Xu, Gerardo Reynaga, Sonia Chiasson, Jan-Michael Frahm, Fabian Monrose, Paul C. van Oorschot. Security Analysis and Related Usability of Motion-Based CAPTCHAs: Decoding Codewords in Motion. IEEE Trans. Dependable Sec. Comput., 11(5):480-493, 2014. [doi]

Authors

Yi Xu

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Gerardo Reynaga

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Sonia Chiasson

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Jan-Michael Frahm

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Fabian Monrose

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Paul C. van Oorschot

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