ENHANCED SECURE LOGIN SYSTEM USING CAPTCHA AS GRAPHICAL PASSWORD

master of computer application

Now a day, vulnerability is a major problem in computer security. Computer & IT security is supported by passwords. The password is used in user Authentication process. The traditional user authentication method uses alphanumeric text-based password, but it has some drawbacks, so that graphical password technique is design & developed to overcome the vulnerabilities of this alphanumeric traditional password problem. The graphical is easier to remember and difficult to guess also than text. But biggest drawback of graphical password technique is vulnerable or crack to shoulder surfing attack, log attack and also sometimes to spyware attack too. So another technique to graphical password a Captcha technique is developed.

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