Description: The Zigbee Security Protocol is a set of standards designed to secure networks using Zigbee technology, ensuring the confidentiality, integrity, and authenticity of transmitted data. This protocol is fundamental in the context of the Internet of Things (IoT), where communication between devices must be secure to prevent unauthorized access and protect sensitive information. Zigbee, as a low-power wireless communication technology, is used in a variety of applications requiring personal area networks, such as home automation, health monitoring, and industrial control. The Zigbee Security Protocol implements encryption and authentication mechanisms that ensure only authorized devices can communicate with each other, and that transmitted data is not altered or intercepted. This is achieved through techniques such as AES (Advanced Encryption Standard) encryption, which provides a high level of security. Additionally, the protocol allows for security key management, facilitating the updating and maintenance of security in the network over time. In an increasingly interconnected world, where smart devices are an integral part of daily life, the Zigbee Security Protocol becomes an essential tool for protecting privacy and data integrity in IoT networks.