Finnish Authenticator is an application that enables you to authenticate yourself to selected Finnish government e-services. Please check first with the e-service if it supports Finnish Authenticator before registering and taking the application into use. To use e-services with the Finnish Authenticator, you need to have a valid passport which you need to register to your Finnish Authenticator account. See https://www.suomi.fi for further information. NOTE: This service is intended only for citizens of countries other than Finland who are over 18 years of age. Finnish identity documents cannot be used to register a user identifier.