Now a days, we are relying more and more on digital data. These data may include sensitive information. These information should be stored securely. Only authorized user should be able to access these information. Securing the sensitive information has become the major issue in the current technology. Traditional authentication mechanism which uses username and password is not sufficient to secure the data. Therefore, new technologies are being invented every day. Two-Factor authentication is one of those mechanisms which improves the security of the system.

Keywords : security, encryption, two factor authentication, Bluetooth device.