Hypothesis on Approach which Distinguishes Soul from Automaton

Vinay J Uttekar, Ranjit P Lawale

Abstract: CAPTCHA is a technique to distinguish human from bots, a way of thwarting spam and automated extraction of data from websites [1]. This paper discuss the various techniques to implement the CAPTCHA system. The paper also discuss various ways to penetrate available CAPTCHA system on internet.

Keywords: CAPTCHA