Sage Journals: Discover world-class research

Retricted access

Research article

First published 2018-10-30

Towards designing robust CAPTCHAs

David Lorenzi, Emre Uzun, Jaideep Vaidya [...]

Journal of Computer Security

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Research article

First published 2017-5-29

On the security and usability of dynamic cognitive game CAPTCHAs

Manar Mohamed, Song Gao, Niharika Sachdeva [...]

Journal of Computer Security

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Research article

First published 2022-12

The Effect of CAPTCHA Exposure on Traveler's Online Behaviors

Jungkeun Kim, Suh-Young Irene Park, Jihoon Jhang

Journal of Smart Tourism

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Research article

First published 2010-9

An Investigation of the Usability of Image-based CAPTCHAs

Kapil Chalil Madathil, Githin F. Alapatt, Joel S. Greenstein

Proceedings of the Human Factors and Ergonomics Society Annual Meeting

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Research article

First published 2014-3-20

A game-theoretic analysis of preventing spam over Internet Telephony via audio CAPTCHA-based authentication

Yannis Soupionis, Remous-Aris Koutsiamanis, Pavlos Efraimidis [...]

Journal of Computer Security

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Research article

First published 2012-9

Evaluating the usability of CAPTCHAs on a mobile device with voice and touch input

Andrew J. Wismer, Kapil Chalil Madathil, Reshmi Koikkara [...]

Proceedings of the Human Factors and Ergonomics Society Annual Meeting

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Research article

First published 2019-8

You need to show that you are not a robot

Leopoldina Fortunati, Anna Maria Manganelli, Filippo Cavallo [...]

New Media & Society

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Research article

First published 2023-8

reCAPTCHA challenges and the production of the ideal web user

Ben T Pettis

Convergence: The International Journal of Research into New Media Technologies

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Research article

First published 2011-11-4

SPIDER: A platform for managing SIP-based Spam over Internet Telephony (SPIT)

Dimitris Gritzalis, Giannis Marias, Yacine Rebahi [...]

Journal of Computer Security

Open access

Research article

First published 2025-1

Bots in web survey interviews: A showcase

Jan Karem Höhne, Joshua Claassen, Saijal Shahania [...]

International Journal of Market Research

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