User Information Protection Method using Anonymous ID and Web Service System with User Information Protection Function

摘要

PURPOSE: A method of user information protect using an anonymous ID and a web service system having a protecting function are provided to protect the privacy of a user by classifying user information into multi-stages and restricting the range which can be retrieved through a real or anonymous ID. CONSTITUTION: An anonymous ID generator(21) generates an anonymous ID matched a real ID which passes through a real name authentication. A user information database(25) stores the user information and the right information into plural groups classified according to importance. The right information stores not only the retrieval allowance information using the real and anonymous IDs but also retrieval allowance information depending on the level of web service provider. An information management unit(24) controls the retrieval of the user information according to the agreement of the user and the right information.