This report provides a comprehensive overview of Internet of Things (IoT) technology, beginning with an introduction to the concept and its origins. It delves into the current components and technologies of IoT, including sensors, actuators, gateways, single-board computers, cloud services, analytics, and user interfaces. The report also examines emerging IoT technologies such as IoT platforms, event stream processing, IoT analytics, IoT operating systems, and standards and ecosystems. Furthermore, it explores the implementation of IoT in the manufacturing and health sectors, highlighting applications like digital twins, smart pumping, and patient monitoring. A significant portion of the report is dedicated to addressing security issues in IoT, including insufficient testing, cyber-attacks, data security, and service interruption, and it proposes solutions such as data securing, secure devices, and network securing. The report concludes by emphasizing the transformative potential of IoT and its capacity to enhance various aspects of human life, while acknowledging the importance of addressing security challenges to ensure its safe and effective implementation.