Design of Innovative CAPTCHA and Analysis of It’s Efficiency

With the advancement of technology the digital transaction and web usage has become an indispensable part of our daily transactions including e-shopping, education, and commerce and industry sector. The more is the use of the internet, the more is the need to secure it and provide it an authenticated access. A CAPTCHA plays this prominent role of providing security which prevents the system from automated computer program attack. The present paper is to propose a new CAPTCHA based on cognitive ability of human and then test the mentioned design over different types of users to prove its significance and usability. Thus, in this paper the utilization of cognitive ability of human is done to describe a new and innovative CAPTCHA code which is chosen as a base for developing web secured environments leading to a more optimum solution of web security.