| 摘要 |
Disclosed in the embodiments of the present invention are a security method, a security device and a computer storage medium, the method comprising: detecting the state of a SIM card insertion port of a first terminal; when it is detected that a SIM card is inserted in the SIM card insertion port, reading the identity information of the SIM card; when it is determined that the identity information of the SIM card has not been pre-stored in the terminal, then storing the identity information of the SIM card; obtaining the identity information of the first terminal and uploading same with the identity information of the SIM card to a cloud server, thus causing the cloud server to synchronize the respective identity information of the SIM card and of the first terminal, then establishing a SIM card usage file for the first terminal and a terminal usage file for the SIM card. |
