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.

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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.

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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.

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Smart Speaker Privacy Control - Acoustic Tagging for Personal Voice Assistants

Cheng, P., Bagci, I. E., Yan, J. & Roedig, U., 23/05/2019, SafeThings 2019 : IEEE Workshop on the Internet of Safe Things. IEEE

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Towards Reactive Acoustic Jamming for Personal Voice Assistants

Cheng, P., Bagci, I. E., Yan, J. & Roedig, U., 15/10/2018, 2nd International Workshop on Multimedia Privacy and Security. ACM Press, 6 p.

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A security analysis of automated Chinese turing tests

Algwil, A., Ciresan, D., Liu, B. & Yan, J., 5/12/2016, ACSAC '16 Proceedings of the 32nd Annual Conference on Computer Security Applications: ACSAC 32. New York: ACM, p. 520-532 13 p.

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Targeted online password guessing: an underestimated threat

Wang, D., Zhang, Z., Wang, P., Yan, J. & Huang, X., 24/10/2016, CCS '16 Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security. New York: ACM, p. 1242-1254 13 p.

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The science and detection of tilting

Wei, X., Palomäki, J., Yan, J. & Robinson, P., 6/06/2016, ICMR '16 Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval. New York: ACM, p. 79-86 8 p.

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Failures of security APIs: a new case

Algwil, A. & Yan, J., 23/02/2016, Financial Cryptography and Data Security: 2016 Proceedings. New York: Springer, 17 p. (Lecture Notes in Computer Science).

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A simple generic attack on text captchas

Yan, J., 22/02/2016, NDSS Symposium 2016. 14 p.

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Enhancing sensor pattern noise for source camera identification: an empirical evaluation

Liu, B., Wei, X. & Yan, J., 06/2015, IH&MMSec '15 Proceedings of the 3rd ACM Workshop on Information Hiding and Multimedia Security. New York: ACM, p. 85-90 6 p.

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Security analyses of click-based graphical passwords via image point memorability

Zhu, B. B., Yan, J., Yang, M. & Wei, D., 3/11/2014, CCS '14 Proceedings of the 2014 ACM SIGSAC Conference on Computer and Communications Security. New York: ACM, p. 1217-1231 15 p.

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Security design in human computation games

Yu, S. Y. & Yan, J., 2014, Security Protocols XVIII : 18th International Workshop, Cambridge, UK, March 24-26, 2010, Revised Selected Papers. Christianson, B. & Malcolm, J. (eds.). Berlin: Springer Verlag, p. 142-153 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7061).

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Security design in human computation games (transcript of discussion)

Yan, J., 2014, Security Protocols XVIII: 18th International Workshop, Cambridge, UK, March 24-26, 2010, Revised Selected Papers. Christianson, B. & Malcolm, J. (eds.). Berlin: Springer Verlag, p. 154-160 7 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7061).

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The robustness of hollow CAPTCHAs

Gao, H., Wang, W., Qi, J., Wang, X., Liu, X. & Yan, J., 11/2013, CCS '13 Proceedings of the 2013 ACM SIGSAC conference on Computer & communications security. New York: ACM, p. 1075-1086 12 p.

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Security implications of password discretization for click-based graphical passwords

Zhu, B. B., Wei, D., Yang, M. & Yan, J., 05/2013, WWW 2013 - Proceedings of the 22nd International Conference on World Wide Web. New York: ACM, p. 1581-1591 11 p.

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Towards new security primitives based on hard AI problems

Zhu, B. B. & Yan, J., 2013, Security Protocols XXI: 21st International Workshop, Cambridge, UK, March 19-20, 2013, Revised Selected Papers. Christianson, B., Malcolm, J., Stajano, F., Anderson, J. & Bonneau, J. (eds.). Berlin: Springer Verlag, p. 3-10 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 8263).

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Towards new security primitives based on hard ai problems (Transcript of discussion)

Yan, J., 2013, Security Protocols XXI: 21st International Workshop, Cambridge, UK, March 19-20, 2013, Revised Selected Papers. Christianson, B., Malcolm, J., Stajano, F., Anderson, J. & Bonneau, J. (eds.). Berlin: Springer Verlag, p. 11-18 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 8263 ).

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A statistical aimbot detection method for online FPS games

Yu, S. Y., Hammerla, N., Yan, J. & Andras, P., 2012, Proceedings of the International Joint Conference on Neural Networks (IJCNN). IEEE, p. 1-8 8 p. 6252489

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Aimbot detection in online FPS games using a heuristic method based on distribution comparison matrix

Yu, S. Y., Hammerla, N., Yan, J. & Andras, P., 2012, Neural Information Processing: 19th International Conference, ICONIP 2012, Doha, Qatar, November 12-15, 2012, Proceedings, Part V. Huang, T., Zeng, Z., Li, C. & Leung, C. S. (eds.). Berlin: Springer Verlag, p. 654-661 8 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 7667 ).

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Shoulder surfing defence for recall-based graphical passwords

Zakaria, N. H., Griffiths, D., Brostoff, S. & Yan, J., 2011, SOUPS 2011 - Proceedings of the 7th Symposium on Usable Privacy and Security. New York: ACM, 6

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System security research at Newcastle

Yan, J., 2011, Proceedings - 1st SysSec Workshop, SysSec 2011. IEEE, p. 94-95 2 p. 6092774

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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).

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The robustness of a new CAPTCHA

El, A. S., Yan, J. & Marshall, L., 2010, Proceedings of the 3rd European Workshop on System Security, EUROSEC'10. New York: ACM, p. 36-41 6 p.

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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 ).

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