This course provides a comprehensive overview of security in the Internet of Things (IoT), covering the critical aspects of securing connected devices and networks. Topics include IoT architecture, threat landscapes, authentication, communication security, and device protection. Participants will explore IoT privacy concerns, security standards, and frameworks, as well as vulnerability management and incident response. The course also addresses IoT security challenges in cloud integration and Industrial IoT (IIoT), with a focus on emerging security trends. Through practical insights and expert guidance, learners will gain the skills needed to safeguard IoT environments against evolving threats.