Two-factor authentication makes an online account more secure by combining two different and independent verification factors. One common variant is the combination of knowledge (password) and possession (e.g. a smartphone with an authentication app that generates one-time passwords). The following is an overview of available apps.
| Name of App | Link to Download Page | Link to Provider's Help Page |
|---|---|---|
| Google Authenticator | How to install Google Authenticator | |
| Microsoft Authenticator | How to use the Microsoft Authenticator-App | |
| Authy 2-Factor Authentication | Authy Support | |
| FreeOTP | ||
| Sophos Authenticator | Beta Community Support | |
| Authenticator Plus* | Authenticator Plus Support | |
| LastPass Authenticator | LastPass Support | |
| Protectismus Smart OTP | Protectismus Support |
*fee required