A novel two-factor authentication system robust against shoulder surfing

To stop attackers from accessing protected contents of a website or a mobile application, authentication systems with various forms are presented. One of the challenging barriers in nowadays identification systems is unauthorized bystanders. This attack is mostly applicable on many sorts of authentication systems. To fight with unauthorized eyes, many approaches have been proposed. Each one has its own pros and cons. In this paper, the proposed system is a two-factor authentication in conjunction of smart-phone of owner. To disable malicious softwares to key log keystrokes or take screenshot or observers to memorize your hand movement on keyboard or mouse curse on a virtual keyboard, proposed system came up with a novel way to decrease the effect of these attacks