This document outlines a course on security in Internet of Things (IoT) systems. The course will introduce IoT privacy, security and governance issues, examine common security risks and challenges, and explore protocols and methods for securing IoT environments and devices. The course is divided into several units that will cover topics such as IoT security overviews, common vulnerabilities and attacks, secure communication protocols, hardware and software security, and cloud computing security issues relevant to IoT. Upon completing the course, students will understand IoT security and privacy concerns, be able to identify vulnerabilities, examine attack types, analyze security protocols, and learn how to secure IoT environments and devices.