The Importance of Two-Factor Authentication

What Is Two-Factor Authentication (Multi-Factor Authentication)? 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: (Something 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 two-factor authentication is using two elements of these three.For example, ATM using a cash card as 1) and a secret number as 2) realizes two-factor authentication.Even in the case of using two levels of authentication, both passwords and answers […]