Patent ID: 8892690

Claim:
A system for managing account of Instant Messenger (IM), comprising: a process server; and a database server; wherein a user of an IM client terminal configures enhanced association information including questions and answers to register an account of the user of the IM client terminal, and provides the questions and answers to the process server; wherein the process server is adapted to receive the questions and answers from the IM client terminal, and encrypt and transmit the questions and answers to the database server; wherein the database server saves the questions and answers and generates false answers to the questions based on the answers provided by the user; and wherein, on receiving a service request from the IM client terminal, the process server is adapted to acquire the enhanced association information including the false answers from the database server; select a preset number of questions and answers and the false answers according to a security level of the service request; generate verification information in the form of a single picture according to the security level of the service request, the preset number of questions and answers, and the false answers, wherein the single picture includes the preset number of questions and answers, and the false answers; and transmit the single picture presenting the preset number of questions and answers and the false answers to the IM client terminal to verify the identity of the user using the IM client terminal.