An information processing device that performs an authentication to authenticate a user and controls operations of an image processing device based on a result of the authentication, comprising: an application that accesses the image processing device and performs a process to enable the image processing device to operate; and an authentication server that performs the authentication to authenticate the user and sends application information relating to the application to the image processing device when successfully authenticating the user through the authentication. The application generates an access request including information relating to the application and sends the generated access request to the image processing device when accessing the image processing device in response to an instruction given by the authenticated user who is successfully authenticated through the authentication.