Patent ID: 8484748

Claim:
A method for classifying and processing data in an instant messaging system, comprising: classifying the data of every service included in the instant messaging system into confidential and non-confidential portions of the data based on at least one of (i) a number of times that the data of a service included in the instant messaging system has been accessed, (ii) time that the data of a service included in the instant messaging system is generated, or (iii) whether the data of a service included in the instant messaging system has been accessed, wherein the every service is a non-instant-messaging service; responsive to a user requesting access to the data, obtaining and processing the non-confidential portion of the data of every service after a first authentication of the user of the instant messaging system is passed successfully, wherein the obtaining and processing the non-confidential portion of the data of every service after the first authentication of the user is passed successfully comprises inputting an instant messaging password used by the user to initiate instant messaging prior to classifying the data; and responsive to the user request to access to the data, obtaining and processing the confidential portion of the data of every service after a second authentication of the user is passed successfully after the process of obtaining and processing the non-confidential portion of the data of every service after the first authentication is passed successfully, wherein the obtaining and processing the confidential portion of the data of every service after the second authentication of the user is passed successfully comprises inputting a separate password corresponding to one service included in the instant messaging system, wherein the separate password is different from the instant messaging password.