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What is Azure Sphere?

By Mike from AzureGuru
Published in AZ-900 Training
November 14, 2020
1 min read

Azure Sphere creates an end-to-end, highly secure IoT solution for customers that encompasses everything from the hardware and operating system on the device to the secure method of sending messages from the device to the message hub. Azure Sphere has built-in communication and security features for internet-connected devices.

Azure Sphere comes in three parts:

  • The first part is the Azure Sphere micro-controller unit (MCU), which is responsible for processing the operating system and signals from attached sensors. The following image displays the Seeed Azure Sphere MT3620 Development Kit MCU, one of several different starter kits that are available for prototyping and developing Azure Sphere applications.

Azure Sphere development kit micro-controller unit

  • The second part is a customized Linux operating system (OS) that handles communication with the security service and can run the vendor’s software.

  • The third part is Azure Sphere Security Service, also known as AS3. Its job is to make sure that the device has not been maliciously compromised. When the device attempts to connect to Azure, it first must authenticate itself, per device, which it does by using certificate-based authentication. If it authenticates successfully, AS3 checks to ensure that the device hasn’t been tampered with. After it has established a secure channel of communication, AS3 pushes any OS or approved customer-developed software updates to the device.

References

  • Identify the product options

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AZ-900Core Solutions

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