New method for using the mobile number bond with account for identity identification

The invention relates to the information security field of computer and network, relates to ID attestation system and method, and it can prevent the user account from stolen. The method uses the mobile phone to do network ID attestation, distinguish the computer by the affirmed strings, and the user account and mobile phone can correspond with client computer one by one to identify the validity of user ID. The method can be used in various account affirmations of network services (web management, e-mail, e-business, network game, chatting tool, network bank and the field of remote control), and it also can be used other service relative with network (the operation of ATM). It is a efficient method to prevent the network form being stolen.