What is 2-factor authentication?
What is 2-factor authentication and how does it work?
Key Takeaways. Two-factor authentication (2FA) is a security system that requires two separate, distinct forms of identification in order to access something. The first factor is a password and the second commonly includes a text with a code sent to your smartphone, or biometrics using your fingerprint, face, or retina #techtips #security #2factorauthentication