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M.Tech / M.E / PhD Thesis | Computer Science & Engineering | India | Volume 4 Issue 1, January 2015
A New Security Mechanism for Graphical Password Authentication using Combo Captcha in Video Technology
R. Buvanesvari | V. Prasath
Abstract: CAPTCHA also known as Human Interaction Proof (HIP) is a system that has become a standard security mechanism for protecting web sites from web bots by generating tests that are solvable by humans and not by computers. As in todays web surfing captcha has become essential for the protection of web sites many different types of captcha have been introduced. In this paper we have proposed a new form of user authentication using captcha technology which is based on the imagination of human named video based combocaptcha. The task for a user is to identify the image from the video which is a combination of two objects and uses that combocaptcha image as a password for authentication. We also described the various captcha techniques and the comparison between various captcha techniques.
Keywords: Captcha, Human Interaction Proof, Bot, Turing Test, Combocaptcha, Denial of Service
Edition: Volume 4 Issue 1, January 2015,
Pages: 2452 - 2457
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