Azure Sphere - Wikipedia
Azure Sphere are services and products from Microsoft that allows vendors of Internet of Things devices to increase security by combining a specific system on a chip, Azure Sphere OS and an Azure-based cloud environment for continuous monitoring.
The Azure Sphere OS is a custom Linux-based microcontroller operating system created by Microsoft to run on an Azure Sphere-certified chip and to connect to the Azure Sphere Security Service.[2][3][4][5][6][7][8][9] The Azure Sphere OS provides a platform for Internet of Things application development, including both high-level applications and real-time capable applications. It is the first operating system running a Linux kernel[10] that Microsoft has publicly released and the second Unix-like operating system that the company has developed for external (public) users, the other being Xenix.
The Azure Sphere Security Service, sometimes referred to as AS3, is a cloud-based service that enables maintenance, updates, and control for Azure Sphere-certified chips. The Azure Sphere Security Service establishes a secure connection between a device and the internet and/or cloud services and ensures secure boot. The primary purpose of contact between an Azure Sphere device and the Azure Sphere Security Service is to authenticate the device identity, ensure the integrity and trust of the system software, and to certify that the device is running a trusted code base. The service also provides the secure channel used by Microsoft to automatically download and install Azure Sphere OS updates and customer application updates to deployed devices.
