Abstract: The application of NB-IoT in the Internet of Things is becoming increasingly widespread. However, due to characteristics such as massive access, low terminal computing power, and a variety of services, NB-IoT IoT systems face numerous security issues. This article first analyzes the system architecture of NB-IoT IoT systems, dissecting the security risks faced at … Read more
Smart speakers are devices that utilize technologies such as computer networks, the Internet, audio and video to provide users with information and life services, featuring functionalities like voice recognition, voice interaction, natural language understanding, and speech synthesis. Currently, security issues with smart speakers are frequent: In May 2017, Alexa was reported to have eavesdropped on … Read more
Every day, a large number of IoT devices that have not undergone strict security testing connect to our lives. We must realize that this is a process of gradually accumulating risks. Just as we require vehicles on highways to comply with safety standards and undergo annual inspections to ensure traffic safety, there are no comprehensive … Read more