Abstract

Knowledge based authentication systems support user for selecting password for higher security.To show effected user choice, encouraging users for selecting random points click based graphical passwords is used using click points. To protect the Passwords theft it is useful. Now Before allowing users to access the services Text based username password used in authenticating users. To overcome from this problem is to assign random password to the user. But it is difficult for human in recalling a random password string. So user will then write it down.Another drawback with text is it is crack by telling to friend. This paper based on knowledge based authentication. Authentication protects the resources from unauthorized user. Text based passwords are not secured for many application so Image based Authentication (IBA) is used which is based on user’s identification of image based click points password. After user name enter in to the authentication module, it respond by displaying an  image which contains click based approach in image match with other images from the user’s password set

Keywords: PPS (Pass-point Scheme), CCP (Cued click points), PCCP (Persuasive Cued Click Points), CTS Common Type System, IBRAS (Image Based Registration and Authentication System)