What is Multifactor Authentication?
Multifactor authentication is a tool that verifies you are who you say you are when logging into a secure service. The “multifactor” piece of multifactor authentication means that login attempts require two or more verification methods in order for the service to grant access. The most common example of multifactor authentication is a username and password plus a code from your smartphone. This code is either sent via text message or generated using an authenticator app.
Multifactor authentication is an important security layer because a hacker would need your login credentials and your smartphone to access your account. This additional authentication step makes it ext6remely difficult to gain unauthorized access.
Boost Security with Multifactor Authentication
According to Microsoft, multifactor authentication (MFA) reduces the chance of an account being compromised by 99.9%. MFA is a critical security layer that should be enabled for any application with sensitive data. Regardless of method, the general formula for MFA is What you Know + What you Have = Successful login.
Other examples of MFA include:
- Biometrics like fingerprints or facial scans
- Phone calls to a phone number you specify
- Physical devices like key fobs or ID cards
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