Zigbee is a wireless communication protocol that is designed to provide secure communication between devices. It uses AES-128 encryption to protect data in transit. This encryption is used to scramble the data transmitted between two devices, making it difficult for anyone to intercept and read the data.

For example, when a Zigbee enabled device communicates with another Zigbee enabled device, the data is encrypted before it is sent. This ensures that the data is secure and that it cannot be read by anyone who may be listening in on the conversation. Additionally, Zigbee also uses a network key to authenticate each device on the network, ensuring that only authorized devices can access the data.

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