IoT (Internet of Things) security refers to the protection of connected devices, networks, and data in the Internet of Things ecosystem. This research area focuses on developing techniques and strategies to ensure the security and privacy of IoT devices, as they often collect and transmit sensitive data. Some key aspects of IoT security research include encryption, authentication, access control, and vulnerability management. Researchers in this field work towards mitigating risks and threats such as unauthorized access, data breaches, and malicious attacks on IoT devices and networks.