The login method you choose will be connected to a particular security level in Altinn. There are different security level requirements for the various forms and services in Altinn.

If you try to access a service while being logged on with a security level which is too low, you will see a message telling you to log on again, with a higher security level.

Security level 4 – Login with BankID, Buypass, Commfides and BankID on Mobile

If you log on with Commfides, BankID, BankID on Mobile or Buypass, you are logged on with the highest security level. You will need this security level for instance if you wish to sign the form for changing your account number for refunds from NAV or send an official receivers report.

Security level 3 – Login with MinID (via ID-porten) or enterprise certificate

If you choose to log on with PIN codes for MinID, you will access the second highest security level in Altinn, and will have access to most services. Enterprise certificate will also give you access to security level 3.

Security level 2 – Login with Altinn code letter/SMS-code

With one-time code from Altinn, you can log in to security level 2. You can access a range of services. 

Security level 1 – Login with only a password

If you log on with only a password, you will have access to a limited number of services in Altinn. You will not be able to change the mobile telephone number in My Profile in this security level.

Security level 0 – Log in without national identity number/D-number

If you do not have a national identity number or a d-number, you can log on with a user name and a password which you have registered. This gives you access to security level 0 in Altinn, and only a few services are available.


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