Due to a security issue in the software that manages our central login system, we are deploying a new version to remedy the problem.

A large number of our digital learning environments and other online services use the central single-sign-on service and therefore the change will be noticeable in many different systems. The biggest change is that the page for login changes its appearance.

Old login page:

New login pages:

Depending on the service you're going to sign in to, the sign-in page might have one of these looks.
Use your e-mail address as username.

Option 1: 

Option 2: 

Option 2 is the same as previously used for sign-in to Microsoft 365 (mail, onedrive, office suites).