On the Viability of CAPTCHAs for use in Telephony Systems: A Usability Field Study

Niharika Sachdeva, Nitesh Saxena, Ponnurangam Kumaraguru. On the Viability of CAPTCHAs for use in Telephony Systems: A Usability Field Study. In Yvo Desmedt, editor, Information Security, 16th International Conference, ISC 2013, Dallas, Texas, USA, November 13-15, 2013, Proceedings. Volume 7807 of Lecture Notes in Computer Science, pages 261-279, Springer, 2013. [doi]

Abstract

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