International Journal of Advanced Research in Computer and Communication Engineering (IJARCCE)
When users input their passwords in a public place, they may be at risk of attackers stealing their password. An attacker can capture a password by direct observation or by recording the individual's authentication session. This is referred to as shoulder-surfing and is a known risk, of special concern when authenticating in public places. Until recently, the only defense against shoulder-surfing was the alertness on the part of the user. Shoulder surfing resistant password authentication mechanism assure shoulder-surfing resistant authentication to user.