Gotta CAPTCHA'Em all: a survey of 20 Years of the human-or-computer Dilemma
M Guerar, L Verderame, M Migliardi… - ACM Computing …, 2021 - dl.acm.org
A recent study has found that malicious bots generated nearly a quarter of overall website
traffic in 2019 [102]. These malicious bots perform activities such as price and content …
traffic in 2019 [102]. These malicious bots perform activities such as price and content …
Recent advances of Captcha security analysis: a short literature review
NT Dinh, VT Hoang - Procedia Computer Science, 2023 - Elsevier
CAPTCHA has long been used to keep bots from misusing web services. Various CAPTCHA
schemes have been proposed over the years, principally to increase usability and security …
schemes have been proposed over the years, principally to increase usability and security …
I am robot:(deep) learning to break semantic image captchas
S Sivakorn, I Polakis… - 2016 IEEE European …, 2016 - ieeexplore.ieee.org
Since their inception, captchas have been widely used for preventing fraudsters from
performing illicit actions. Nevertheless, economic incentives have resulted in an arms race …
performing illicit actions. Nevertheless, economic incentives have resulted in an arms race …
Research on deep learning techniques in breaking text-based captchas and designing image-based captcha
M Tang, H Gao, Y Zhang, Y Liu… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The ability of hackers to infiltrate computer systems using computer attack programs and
bots led to the development of Captchas or Completely Automated Public Turing Tests to …
bots led to the development of Captchas or Completely Automated Public Turing Tests to …
Monitoring of pet animal in smart cities using animal biometrics
Monitoring of pet animal in smart city is a big challenge for authorities concerned. The
classical animal identification and monitoring methods fail to provide the required level of …
classical animal identification and monitoring methods fail to provide the required level of …
Breaking text-based CAPTCHAs with variable word and character orientation
O Starostenko, C Cruz-Perez, F Uceda-Ponga… - Pattern Recognition, 2015 - Elsevier
A novel approach for automatic segmentation and recognition of CAPTCHAs with variable
orientation and random collapse of overlapped characters is presented in this paper …
orientation and random collapse of overlapped characters is presented in this paper …
A survey of CAPTCHA technologies to distinguish between human and computer
Abstract CAPTCHA, Completely Automated Public Turing test to tell Computers and Humans
Apart, is widely used as a security mechanism to classify human and computer. This security …
Apart, is widely used as a security mechanism to classify human and computer. This security …
A survey of research on captcha designing and breaking techniques
Y Zhang, H Gao, G Pei, S Luo… - 2019 18th IEEE …, 2019 - ieeexplore.ieee.org
The Internet plays an increasingly important role in people's lives, but it also brings security
problems. CAPTCHA, which stands for Completely Automated Public Turing Test to Tell …
problems. CAPTCHA, which stands for Completely Automated Public Turing Test to Tell …
Style matching CAPTCHA: Match neural transferred styles to thwart intelligent attacks
Completely automated public turing test to tell computers and humans apart (CAPTCHA) is
widely used to prevent malicious automated attacks on various online services. Text-and …
widely used to prevent malicious automated attacks on various online services. Text-and …
A novel CAPTCHA solver framework using deep skipping Convolutional Neural Networks
Abstract A Completely Automated Public Turing Test to tell Computers and Humans Apart
(CAPTCHA) is used in web systems to secure authentication purposes; it may break using …
(CAPTCHA) is used in web systems to secure authentication purposes; it may break using …