Two factor authentication is a security method that uses two phases or forms of authentication before protected data can be seen. Its main aim is similar to single factor authentication, excluding one significant difference. In single factor authentication, there is no need to give anything other than a user ID and password. In two-factor authentication , a user ID and password will be needed, plus other important information. This is to reinforce security measures and further make information more secured. With authentication, a person enters a user ID and password, then more information is required for identity authentication purposes. At this stage, the person may be asked to provide with a pass mark, generally to confirm that a user linked image is being publicized. Sometimes, a pass mark can be a question fixed by the user himself when he initially created his log in credentials. Two Factor Authentication and its Benefits This authentication method is also used in differ...