Carlos Javier Hernández-Castro
Carlos Javier Hernández-Castro
Dirección de correo verificada de ucm.es
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Pitfalls in CAPTCHA design and implementation: The Math CAPTCHA, a case study
CJ Hernandez-Castro, A Ribagorda
computers & security 29 (1), 141-157, 2010
602010
Side-channel attack on labeling captchas
CJ Hernandez-Castro, A Ribagorda, Y Saez
arXiv preprint arXiv:0908.1185, 2009
142009
A first step towards automatic hoax detection
JC Hernandez, CJ Hernandez, JM Sierra, A Ribagorda
Proceedings. 36th Annual 2002 International Carnahan Conference on Security …, 2002
142002
Remotely telling humans and computers apart: An unsolved problem
CJ Hernandez-Castro, A Ribagorda
International Workshop on Open Problems in Network Security, 9-26, 2009
112009
Side-channel attack on the humanauth captcha
CJ Hernandez-Castro, A Ribagorda, Y Saez
2010 International Conference on Security and Cryptography (SECRYPT), 1-7, 2010
102010
Using JPEG to measure image continuity and break capy and other puzzle CAPTCHAs
CJ Hernandez-Castro, MD R-Moreno, DF Barrero
IEEE Internet Computing 19 (6), 46-53, 2015
72015
A Machine Learning Attack against the Civil Rights CAPTCHA
CJ Hernández-Castro, DF Barrero, MD R-moreno
Intelligent Distributed Computing VIII, 239-248, 2015
52015
Using machine learning to identify common flaws in CAPTCHA design: FunCAPTCHA case analysis
CJ Hernández-Castro, MD R-Moreno, DF Barrero, S Gibson
Computers & Security 70, 744-756, 2017
42017
Compulsive voting
JC Hernandez, JM Sierra, CJ Hernandez, A Ribagorda
Proceedings. 36th Annual 2002 International Carnahan Conference on Security …, 2002
42002
Side-channel attack against the Capy HIP
CJ Hernández-Castro, MD R-moreno, DF Barrero
2014 Fifth International Conference on Emerging Security Technologies, 99-104, 2014
32014
On the strength of egglue and other logic captchas
CJ Hernandez-Castro, A Ribagorda, JC Hernandez-Castro
Security and Cryptography (SECRYPT), 2011 Proceedings of the International …, 2011
22011
VideoCAPTCHAs
CJ Hernandez-Castro, A Ribagorda
Proceedings of the 5th International Conference on Security and Protection …, 2009
22009
Where do captchas fail: a study in common pitfalls in captcha design and how to avoid them
CJ Hernández Castro
12017
Machine learning and empathy: the Civil Rights CAPTCHA
CJ Hernández‐Castro, DF Barrero, MD R‐Moreno
Concurrency and Computation: Practice and Experience 28 (4), 1310-1323, 2016
12016
Shortcomings in CAPTCHA design and implementation: Captcha2, a commercial proposal
JCHC Carlos Javier Hernandez-Castro, Jonathan D
Eight International Network Conference INC 2010, 159-168, 2010
1*2010
All about uncertainties and traps: Statistical oracle-based attacks on a new CAPTCHA protection against oracle attacks
CJ Hernández-Castro, S Li, MD R-Moreno
Computers & Security 92, 101758, 2020
2020
Flores Vidales, Alfredo. Adolescentes en conflicto con la ley.¿ Lo residual del sistema?
A Basail Rodríguez
LiminaR 15 (1), 220-224, 2017
2017
An oracle-based attack on CAPTCHAs protected against oracle attacks
CJ Hernández-Castro, DF Barrero, S Li
arXiv preprint arXiv:1702.03815, 2017
2017
An oracle-based attack on CAPTCHAs protected against oracle attacks
SL C. J. Hernández-Castro}, M. D. R-Moreno, David F. Barrero
http://arxiv.org/abs/1702.03815, 2017
2017
Video CAPTCHAs
ARG Carlos Javier Hernandez-Castro
IDET / Security and Protection of Information, 14 - 22, 2009
2009
El sistema no puede realizar la operación en estos momentos. Inténtalo de nuevo más tarde.
Artículos 1–20