Defenses Against Large Scale Online Password Guessing Attack

DEFENSES AGAINST LARGE SCALE ONLINE PASSWORD GUESSING ATTACKS BY USING PERSUASIVE CLICK POINTS. Index Terms: - Authentication, graphical passwords, guessing attacks, computer security. 3.1 Recognition Based Techniques:3.1.1Dhamija and Perrig Hong’s Methods Hong, et al. [7] proposed another shoulder-surfing resistant algorithm. In this approach to allow the user to assign their own codes to pass-object variants. Figure 3: shows the log-in screen of this graphical password scheme. However, this method still forces the user to memorize many text strings and therefore suffer from the many drawbacks of text-based passwords. 3 level security with sound integration