Abstract: In recent years, the global Internet of Things (IoT) industry has developed vigorously. The basic telecom enterprises in China are also building the IoTconstruction base and promoting the development ofnewapplications.While the IoT industry grows rapidly, the IoT Security Technology lags behind. The IoT security problem is becoming more and more serious, which has become one of the obstacles to the development of IoT. In order to ensure the healthy and orderly development of IoT under the guarantee of the security system, it is recommended to promote promulgation of relevant policies and regulations, anddowell in industry supervision.

Key words: Internet ofThings, IoTsecurity, GSMA, IoTindustry customizedSIMcard