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Dynamic Authentication Method Dependent on Surrounding Environment

Smart phones are widely used all over the world. As a result, various authentication methods are used. Each authentication method has advantages and disadvantages, and there are instances where a method may be vulnerable when used. Also, there are cases where a method cannot be used due to surrounding environment conditions. Currently, one authentication method is used at a time, but the optimum authentication method changes depending on the environment. To solve this problem, it is necessary to detect the surrounding environment and select the optimum authentication method accordingly. In this research, we propose a method for dynamically selecting the optimal authentication method on the basis of the surrounding environment.