ID-porten is the primary way to log in to Altinn, and is a common log-in solution for many Norwegian public services.

Terminated login methods

Here you will find information about login methods that will terminate: Altinn code letter, SMS code, password and business certificate at

Beware of fraud

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.

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