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Dr Jeff Yan

Formerly at Lancaster University

  1. Published

    Attacks and design of image recognition CAPTCHAs

    Zhu, B. B., Yan, J., Li, Q., Yang, C., Liu, J., Xu, N., Yi, M. & Cai, K., 2010, CCS '10 Proceedings of the 17th ACM conference on Computer and communications security. New York: ACM, p. 187-200 14 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter

  2. Published

    Bot, cyborg and automated turing test: (or "putting the humanoid in the protocol")

    Yan, J., 2009, Security protocols: 14th International Workshop, Cambridge, UK, March 27-29, 2006, Revised Selected Papers. Christianson, B., Crispo, B., Malcolm, J. A. & Roe, M. (eds.). Berlin: Springer Verlag, p. 190-197 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 5087 ).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  3. Published

    Breaking visual CAPTCHAs with naive pattern recognition algorithms

    Yan, J. & El Ahmad, A. S., 12/2007, Twenty-Third Annual Computer Security Applications Conference (ACSAC 2007). IEEE, p. 279-291 13 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter

  4. Published

    Captcha as graphical passwords: a new security primitive based on hard AI problems

    Zhu, B. B., Yan, J., Bao, G., Yang, M. & Xu, N., 2014, In: IEEE Transactions on Information Forensics and Security. 9, 6, p. 891-904 14 p., 6775249.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  5. Published

    CAPTCHA design: color, usability, and security

    El Ahmad, A. S., Yan, J. & Ng, W. Y., 03/2012, In: IEEE Internet Computing. 16, 2, p. 44-51 8 p., 5959144.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  6. Published

    Captcha robustness: a security engineering perspective

    Yan, J. & El Ahmad, A. S., 02/2011, In: Computer. 44, 2, p. 54-60 7 p., 5601666.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  7. Published

    CAPTCHA security: a case study

    Yan, J. & El Ahmad, A. S., 07/2009, In: IEEE Security and Privacy Magazine. 7, 4, p. 22-28 7 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  8. Published

    Collusion detection in online bridge

    Yan, J., 2010, Proceedings of the Twenty-Fourth AAAI Conference on Artificial Intelligence and the Twenty-Second Innovative Applications of Artificial Intelligence Conference : 11-15 July 2010, Atlanta, Georgia, USA.. Menlo Park, Calif.: AAAI, p. 1510-1515 6 p. (Artificial Intelligence).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  9. Published

    Detecting cheaters for multiplayer games: theory, design and implementation

    Yeung, S. F., Lui, J. C. S., Liu, J. & Yan, J., 2006, 2006 3rd IEEE Consumer Communications and Networking Conference, CCNC 2006. IEEE, p. 1178-1182 5 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter

  10. Published

    Do background images improve "draw a secret" graphical passwords?

    Dunphy, P. & Yan, J., 2007, CCS '07 Proceedings of the 14th ACM conference on Computer and communications security - CCS '07. New York: ACM, p. 36-47 12 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

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