To verify your identity, applications typically ask you to provide something you know, such as a password or a secret key. They may also ask you to prove ownership of something you have, such as a phone or device. Finally, they may ask for proof of who you are by utilizing biometrics. Multi-factor authentication, or MFA, refers to the practice of requiring users to prove their identities in more than one way. MFA protects users in the event of password compromise. When utilized, MFA requires...