IoT Hub is a managed service hosted in the cloud that acts as a central message hub for communications in both directions between an IoT application and its attached devices. You can connect millions of devices and their backend solutions reliably and securely. Almost any device can be connected to an IoT Hub.
IoT hub is a mediator between the cloud and connected devices. Thus, it can scale numerous connected devices and various events per second to support your IoT workloads.
Internet of Things Hub provides a secure communication channel for your devices to send data. Per-device authentication ensures that each device connects with the IoT hub securely and is managed securely. You have full control over device access and can manage connections at the per-device level.