What is Two Factor Authentication?
Something you know: This could be a personal identification number (PIN), a password, answers to “secret questions” or a specific keystroke pattern
Something you have: Typically, a user would have something in their possession, like a credit card, a smartphone, or a small hardware token
Something you are: This category is a little more advanced, and might include biometric pattern of a fingerprint, an iris scan, or a voice print
What is authorisation?
Examples of 2FA
Passwords can be forgotten, stolen, or compromised. With Authenticator, your phone provides an extra layer of security on top of your PIN or fingerprint.