Volume 12 (2020)
Volume 11 (2019)
Volume 10 (2018)
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Volume 1 (2009)
1. Image flip CAPTCHA

M. Tariq Banday; N. A. Shah

Volume 1, Issue 2 , Summer and Autumn 2009, , Pages 105-123

http://dx.doi.org/10.22042/isecure.2015.1.2.4

Abstract
  The massive and automated access to Web resources through robots has made it essential for Web service providers to make some conclusion about whether the "user" is a human or a robot. A Human Interaction Proof (HIP) like Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA) ...  Read More