ID-porten is the primary way to log in to Altinn, and is a common log-in solution for many Norwegian public services.
Here you will find information about login methods that will terminate: Altinn code letter, SMS code, password and business certificate at altinn.no.
This section contains solutions to problems that might arise while logging in.
We daily experience users who receive messages by text-messages or e-mail pretending to be Altinn. The purpose of these fake messages is to trick you into giving sensitive information. We have the following advice to help you identify fake messages.