2-factor authentication (2FA)

The following table lists all services and platforms that currently use 2-factor authentication in some form. Here the options in the last column mean the following:

• Mandatory - Means that the process can only be performed with 2FA enabled and using 2FA.
• Optional - Means that the process will ask for 2FA if it is enabled. If you do not use 2FA yet, you can log in without it.