1.) To activate Multi-Factor Authentication with the Security Key, click on your abbreviation in the navigation bar at the top right, and then click on edit my account (see _LINK_TO_PAGE=244).

2.) Activate Security Key

3.) Connect the Security Key to the USB port on your PC and click the button on the Security Key

4.) Set a name for the Security Key

5.) Log in to the LDB again and click the button on the Security Key. 2FA with the Security Key is now activated.

-> Additional Security Keys can be added using the same process (e.g., as a backup).

-> The YubiKey can also be used for logging in with a smartphone/tablet in the LDB via NFC or USB-C.