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Carlos Javier Hernández-Castro
Carlos Javier Hernández-Castro
Adresse e-mail validée 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
812010
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
212015
A first step towards automatic hoax detection
JC Hernandez, CJ Hernández, JM Sierra, A Ribagorda
Proceedings. 36th Annual 2002 International Carnahan Conference on Security …, 2002
182002
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
172010
Side-channel attack on labeling captchas
CJ Hernandez-Castro, A Ribagorda, Y Saez
arXiv preprint arXiv:0908.1185, 2009
162009
Remotely telling humans and computers apart: An unsolved problem
CJ Hernandez-Castro, A Ribagorda
iNetSec 2009–Open Research Problems in Network Security: IFIP WG 11.4 …, 2009
112009
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
102014
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
92017
Adversarial machine learning
CJ Hernández-Castro, Z Liu, A Serban, I Tsingenopoulos, W Joosen
Security and Artificial Intelligence: A Crossdisciplinary Approach, 287-312, 2022
82022
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
62020
A Machine Learning Attack against the Civil Rights CAPTCHA
CJ Hernández-Castro, DF Barrero, MD R-Moreno
Intelligent Distributed Computing VIII, 239-248, 2015
62015
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
42011
Compulsive voting
JC Hernandez, JM Sierra, CJ Hernandez, A Ribagorda
Proceedings. 36th Annual 2002 International Carnahan Conference on Security …, 2002
42002
Where do CAPTCHAs fail: A study in common pitfalls in CAPTCHA design and how to avoid them
CJ Hernández Castro
32017
VideoCAPTCHAs
CJ Hernandez-Castro, A Ribagorda
Proceedings of the 5th International Conference on Security and Protection …, 2009
32009
An oracle-based attack on CAPTCHAs protected against oracle attacks
CJ Hernández-Castro, DF Barrero, S Li
arXiv preprint arXiv:1702.03815, 2017
22017
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
22016
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
2*2010
Breaking CaptchaStar using the BASECASS methodology
C Hernández-Castro, DF Barrero, MD R-Moreno
ACM Transactions on Internet Technology 23 (1), 1-12, 2023
12023
BASECASS: A methodology for CAPTCHAs security assurance
CJ Hernández-Castro, DF Barrero, MD R-Moreno
Journal of Information Security and Applications 63, 103018, 2021
12021
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