An information processing device including a flow definition memory unit configured to store flow definition information in which a process flow of image data read by an image reading unit is defined, and an authentication screen generating unit configured to determine plural processing units that execute a part of the process flow based on the flow definition information, acquire item information indicative of items of authentication information corresponding to a part or all of the plural processing units which require authentication from the part or all of the plural processing units which require the authentication, and generate authentication screen definition information used for displaying an authentication screen integrating and showing the item information.