The importance of two-factor authentication

This is a guest post by Yutaka Deguchi, general manager of mofiria Corporation. In recent years, the use of “two-factor authentication” has been increasing as a personal identification method. The methods of identity verification are roughly divided into the following three: 1) Use user’s knowledge: (Someting you know) 2) Use user’s possession: (Something you have) 3) Use characteristics of users themselves: (Something you are, biometrics) Multi-factor authentication is a method of identity verification using multiple elements of these three, and