Abstract: According to examples, an apparatus includes a processor that is to cause an application to be provided through which information pertaining to a first user is to be displayed, receive authentication information of a second user, in which the authentication information includes an identifier of the second user and information that the second user uses for authentication to access a web-based application, determine whether the identifier of the second user is linked to an identifier of the first user, determine whether the authentication information authenticates the second user to access the web-based application, and based on a determination that the identifier of the second user is linked to the identifier of the first user and the authentication information authenticates the second user to access the web-based application, perm it the second user to access the information pertaining to the first user through the application.