Two-factor authentication, also known as multi-step authentication, is a method by which a user’s individuality is double verified to find out their authority. In most situations, an online account holder will be needed to show two different passwords in order to run their account. The primary password, found out by the user, is the user’s primary password and the secondary is a verification code, or one time password (OTP) that is delivered from an application or a website, to the user through SMS or email. The authentication code, or OTP, will be diverse for each login and requires being entered it into an app or website in a definite time period in order to go through the account.
Employment of SMS for 2 factor authentication has become an accepted security tool for various businesses that provide an online service. The best example is two-step authentication needed when logging into a Google account. Making this feature active means whenever you login into your Google account, you are needed to give your primary password in addition to one-time password that is delivered to your mobile through text, voice call or via mobile application.
The benefits of employing SMS based two-factor authentication involve:
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