Human intervened captcha
Loading...
Date
2016-08
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
CAPTCHA is an abbreviation for Completely Automated Public Turing-Test to tell Computers and Humans Apart. The basic aim of a CAPTCHA system is to prevent Web services from being exploited by hackers. CAPTCHA helps in preventing bots from doing unlawful activities on web pages. The thesis work includes two types of CAPTCHA i.e. Automated CAPTCHA and Human Intervened CAPTCHA (HI-CAPTCHA). The
automated CAPTCHA is used for learning the behaviour of bots and for their identification. In this research work a modified CAPTCHA i.e. HI-CAPTCHA is proposed, which is used for the identification of bot as well as for the identification of the genuine user. All the users inside the classroom are genuine users as they are authorized to use the system. The proposed system is targeted towards enhancing security in mobile based classroom system like attendance system, examination system etc. In this system questions are generated by the admin and the answer of the question varies as per the admin’s state and other things that can be identified by the person inside room. Hence bots and invalid users (users outside the class) are not able to detect the answer and system remains secure.
Description
Keywords
null