What is Multi-Factor Authentication?
Multi-Factor authentication is a process of using more than one form of factor to authenticate user. This uses combination of authenticating process to authenticate user. The different form of factors for authentication are – password, OTP, fingerprint etc.
Multi-Factor Authentication (MFA)is also known as 2FA (2 Factor Authentication) this is because it uses 2 factors for authentication. The multi-factor authentication includes combination of different factors like – password, fingerprint, OTP, Retina scan etc.
Some of the popular combinations are:
Password + OTP
Password + fingerprint
Types of Mobile Two-Factor Authentication:
In the recent days, mobile phones are pre-loaded with finger print scanner. This feature has increased the security to much extent. In mobile phone, the multi-factor authentication occurs in 2 ways, they are: password + fingerprint, password and OTP.
LastPass Two-Factor Authentication
LastPass Is a free password management service that is used to store passwords in an encrypted form in private accounts. LastPass comes with web interface, plugin for many browsers, and also mobile apps.
Google Two-Factor Authentication:
Google is also using multi-factor authentication for authenticating their user. User has privilege to activate MFA for their account to increase the security. Google has introduced application called “Authenticator” app. Google has provided their users to use other forms of factors like OTP, backup code etc. to authenticate their accounts.
Steps to turn on 2-step verification in Google account:
Go to 2-step verification >> Sign in to your Google account >> click on get started.
Facebook Two-Factor Authentication:
How to turn on two-factor authentication in facebook:
Click () drop down button in the top right >> settings >> Security and Login >> Setting Up Extra Security >> Use two-factor authentication >> Edit >> configure as required >> click Enable.
Twitter Two-Factor Authentication:
Twitter has introduced new security feature called Login Verification. This is a multi-factor authentication for logging into the twitter account. This acts as extra layer of security for twitter account. Whenever we need to login to twitter, we need to enter password and six digit code sent via SMS. User needs to enter both to authenticate.
How to enable Login Verification in twitter:
Goto profile >> settings and privacy >> Account settings >> set up login verification >> click on start >> enter password and click on verify >> enter the verification code sent to your number via SMS >> click on Submit.