The invention relates to a method for reading at least one attribute stored in an ID token, wherein, where the ID token is associated with a user, having the following steps: the user is authenticated to the ID token, a first computer system is authenticated to the ID token, following successful authentication of the user and the first computer system to the ID token, the first computer system effects read access to the at least one attribute stored in the ID token in order to transmit the at least one attribute, when it has been signed, to a second computer system, where the authentication of the first computer system to the ID token is performed because of an attribute specification, which is received by the first computer system from a third computer system.