Jeff Yan
Jeff Yan
Professor of Cyber Security
Verified email at acm.org - Homepage
Title
Cited by
Cited by
Year
The memorability and security of passwords–some empirical results
J Yan, A Blackwell, R Anderson, A Grant
University of Cambridge, Computer Laboratory, 2000
892*2000
A Low-cost Attack on a Microsoft CAPTCHA
J Yan, AS El Ahmad
Proceedings of the 15th ACM conference on Computer and communications …, 2008
4602008
Usability of CAPTCHAs or usability issues in CAPTCHA design
J Yan, AS El Ahmad
Proceedings of the 4th symposium on Usable privacy and security, 44-52, 2008
3622008
Breaking visual captchas with naive pattern recognition algorithms
J Yan, AS El Ahmad
ACSAC'07, Twenty-Third Annual Computer Security Applications Conference …, 2007
2892007
Do background images improve draw a secret graphical passwords?
P Dunphy, J Yan
Proceedings of the 14th ACM conference on Computer and communications …, 2007
2862007
A systematic classification of cheating in online games
J Yan, B Randell
Proceedings of 4th ACM SIGCOMM workshop on Network and system support for …, 2005
2442005
Targeted Online Password Guessing: An Underestimated Threat
D Wang, Z Zhang, P Wang, J Yan, X Huang
ACM Conference on Computer and Communications Security (CCS), 2016
1902016
Attacks and design of image recognition CAPTCHAs
BB Zhu, J Yan, Q Li, C Yang, J Liu, N Xu, M Yi, K Cai
Proceedings of the 17th ACM conference on Computer and communications …, 2010
1712010
Captcha as Graphical Passwords–A New Security Primitive Based on Hard AI Problems
BB Zhu, J Yan, G Bao, M Yang, N Xu
IEEE transactions on information forensics and security 9 (6), 891-904, 2014
167*2014
Shoulder surfing defence for recall-based graphical passwords
NH Zakaria, D Griffiths, S Brostoff, J Yan
Proceedings of the Seventh Symposium on Usable Privacy and Security, 6, 2011
1462011
Security issues in online games
J Jeff Yan, HJ Choi
The Electronic Library 20 (2), 125-133, 2002
1462002
A note on proactive password checking
JJ Yan
Proceedings of the 2001 workshop on New security paradigms, 127-135, 2001
1352001
The robustness of Google CAPTCHAs
AS El Ahmad, J Yan, M Tayara
Newcastle University, School of Computing Science Technical Report Series, 2011
113*2011
The xenoservice-a distributed defeat for distributed denial of service
J Yan, S Early, R Anderson
Proceedings of ISW 2000, 2000
922000
The robustness of a new CAPTCHA
AS El Ahmad, J Yan, L Marshall
Proceedings of the Third European Workshop on System Security, 36-41, 2010
842010
Graphical passwords & qualitative spatial relations
D Lin, P Dunphy, P Olivier, J Yan
Proceedings of the 3rd symposium on Usable privacy and security, 161-162, 2007
832007
Security design in online games
J Yan
ACSAC'03, Computer Security Applications Conference, 2003. Proceedings. 19th …, 2003
812003
CAPTCHA design: Color, usability, and security
AS El Ahmad, J Yan, WY Ng
IEEE Internet Computing 16 (2), 44-51, 2012
762012
The memorability and security of passwords
J Yan, A Blackwell, R Anderson, A Grant
Security and Usability: Designing Secure Systems That People Can Use, L …, 2005
73*2005
The memorability and security of passwords
LF Cranor
Security & Usability, 129-142, 2005
732005
The system can't perform the operation now. Try again later.
Articles 1–20