International Journal of Innovative Research in Science, Engineering and Technology (IJIRSET)
Wide-ranging people prefer the unforgettable passwords rather than the strong passwords which are complicated to keep in mind. Human mind can effortlessly memorize the image than textual character. Now-a-days, the online guessing attacks such as dictionary attacks, brute force attacks and the botnet (robotic network) are dreadfully confronting to face. While keeping from happening such attacks, make available the expedient login for genuine users is a complex problem. This paper effort unites the Persuasive Pixel Click Points (PPCPs) and Password Guessing Resistant Protocol (PGRP) in graphical passwords.