User Authentication Using GraphicalPassword Scheme: A More Secure ApproachUsing Mobile Interface

Textual password is most coomn method use for password authentication. In today’s use of internet is increasing day by day. For security purpose the user selects password, that password are text based passwords or graphical passwords. Most of the user uses text based password because that are easy to remember. But main disadvantage of using text based passwords are many attacks can happen like eavesdropping attack, dictionary attacks, denial of service attacks. To overcome the disadvantages of text based password new graphical passwords are used. Click based graphical password scheme offers a novel approach to address the well known image hotspot problemin popular graphical password systems, such as PassPoints, that often leads to weakpassword choices. So to provide user friendliness and also the protection from various security attacks use of graphical password is important. In this, graphical password scheme, the click event isperformed on various points on same or different images.