Two-factor authentication adds an additional layer of security to your PageProof account and is optional to turn on. You will be asked for an additional log in credential beyond your email address and password.
Some popular authenticator applications are supported for 2FA:
And many other authenticators too.
Setting up two-factor authentication
Go to your profile, then select password & security.
Click set up two-factor authentication and scan the QR code with your authenticator app. Enter your code and the next time you log in you will be asked to enter the code from your chosen app.
Note: You can disable two-factor authentication at any time.