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Azure Sphere Pricing And Features Guide: Security For Internet-Connected IoT Devices

Azure Sphere IoT Security

Azure Sphere is a high-level application platform for internet-connected devices that is secure and has built-in communication and protection capabilities. It consists of a safe, connected crossover microcontroller unit (MCU), a high-level Linux-based operating system (OS), and a cloud-based security system that offers ongoing, renewable security. In this blog post, we will go over Azure Sphere pricing and features in detail.

Azure Sphere Logo

The Azure Sphere MCU combines real-time computing with the capacity to run a high-level operating system on a single chip. If combined with its operating system and application framework, allows for the creation of safe, internet-connected devices that can be remotely upgraded, directed, analyzed, and maintained. A connected device with an Azure Sphere MCU, either in addition to or in place of an existing MCU(s), improves security, efficiency, and propensity.

Azure Sphere Pricing And Features

Different applications of Azure Sphere in IoT devices for organizations-

  • Azure Sphere certified microcontrollers (MCUs): A unique cross-over category of MCUs that integrates real-time and application processors with built-in Microsoft security and networking. To safeguard this special generation of MCUs and the devices they power, each chip features custom silicon security technologies from Microsoft, influenced by 15 years of experience and observations from Xbox.
  • Azure Sphere OS: This operating system was created with the goal of providing unrivaled security and mobility. Unlike today’s MCU RTOSes, the defense-in-depth IoT OS provides numerous layers of protection. It combines Windows security advancements, a security monitor, and a bespoke Linux kernel to produce a super-secure software environment and a reliable foundation for new IoT experiences.
  • Azure Sphere Security Service: A fully managed cloud service that protects each and every Azure Sphere device by facilitating confidence for device-to-device and device-to-cloud interaction, detecting potential risks spanning the Azure Sphere ecosystem via online failure reporting, and restoring security via software updates. It provides to MCU-powered devices the consistency and scale that Microsoft has created over the years to secure their own devices and data in the cloud.
What is Azure Sphere MCU

The Pricing structure of Azure Sphere

The pricing model is as follows:

Azure Sphere SKU detailPricing*Support details
Azure Sphere MCU model MT3620ANLess than $8.95OS and security service updates supported through July 2031 Ongoing support of certificate-based authentication, failure reporting, and OEM software updates

Key features:

Numerous layers of protection: It delivers multiple layers of protection to assist users in safeguarding and responding to threats on their devices.

Deployment Flexibility: Deployment flexibility under Azure Sphere pricing structure aids users in safeguarding current equipment and incorporating building security into future IoT investments.

OTA (over-the-air) updates: Adding new features and improving performance across device lifecycles is simple.

Error Reporting: It helps the user in staying ahead of new and developing threats by providing error reporting and automatic security updates.

Role Of Azure Sphere Certified Devices and OS For Safety

Here’s how it approved devices and operating systems help maintain safety:

  • Azure Sphere– Microsoft security technology is incorporated into certified chips from hardware partners, providing connectivity and a trustworthy hardware root of trust.
  • Azure Sphere OS adds a layer of protection and control upgrades on a regular basis to build a secure platform for new IoT experiences.

Security Service for the device to cloud communication:

  • The Security Service interacts seamlessly with devices and deploys the Azure Sphere OS as well as software updates from the user’s engineering team to Azure Sphere devices. These devices could be located at the user company’s headquarters or at customer locations throughout the world, as long as they have an Internet connection and can connect with the Azure Sphere Security Service.
  • User’s product support team can interface with the Azure Sphere Security Service to keep track of which version of the Azure Sphere OS and which software from their engineering team should be deployed in Azure Sphere products.
  • Devices can interact with the other enterprise cloud services that the IoT solution is created with, as well as a user’s product support team can connect with those cloud services as part of the IoT solution.
  • Using Security Service under Azure Sphere pricing , the devices can download the Azure Sphere OS update as well as the upgrade for the user’s engineering team’s applications. These devices will also communicate with any other cloud services that make up the IoT solution as a whole.
properties of secured devices

Azure Sphere Guardian module:

A guardian module is add-on hardware that includes an Azure Sphere chip that physically connects to a socket on a preexisting “brownfield” device.

A guardian module functions as follows:

  • The guardian module connects to a brownfield device, but the network isn’t connected to the brownfield device.
  • The Azure Sphere OS, as well as a bespoke high-level application and any other applications required by the user’s scenario, are all executed on the guardian module.
  • The brownfield device interfaces with the guardian module, which can operate locally or report to a cloud presence like Azure IoT Central.
  • For certificate-based identification, error reporting, and over-the-air software upgrades, the guardian module leverages the Azure Sphere Security Service.

Connecting existing asset networks with Guardian modules:

Generally referred to as “brownfield” initiatives, these initiatives use assets’ intrinsic capabilities and compute resources to install and execute intelligent application footprints. These modules are frequently connected to ‘legacy’ equipment using current peripheral technologies to provide connectivity and intelligence to the fundamental equipment performance.

These devices then use Wi-Fi to connect to the internet, enabling remote device tracking, over-the-air updates, and cloud-based data processing. The base hardware stays disconnected from the internet, with a guardian module taking care of safe connectivity as well as device health monitoring.

Azure Sphere Security Service: What is it all about?

The Security Service under the Azure Sphere pricing model links the device to the cloud and the web in a safe and secure manner. The service assures that only an authorized version of authentic, approved software is used to start the device. Furthermore, it provides a safe path for Microsoft to automatically download and install OS updates to deployed devices in the field, hence reducing security risks.

Azure Sphere-based connected systems are constantly updated and effective. The cloud service makes sure that all linked devices are running the most recent version of the operating system, along with all necessary updates and hotfixes. Since Microsoft is in charge of this, OEMs can rest certain that they are using the most secure firmware and operating system available.

Azure Sphere Compnents

Connectivity support available in Azure Sphere:

Wireless network connectivity: The MediaTek MT3620, the first commercially available Azure Sphere chip, includes dual-band wireless network connectivity for the 2.4GHz and 5GHz bands. With an extra Microchip ENC28J60 controller, users can extend connectivity via wired Ethernet.

Ethernet connectivity: To connect with Azure IoT or even your own cloud services, users can connect their Azure Sphere device to a public 10Mbps Ethernet network using normal TCP or UDP networking.

Bluetooth LE connectivity: In some cases, an extra Bluetooth Low Energy (BLE) chip may be required to connect Azure Sphere to wireless connections. Users can explore BLE options through Azure Sphere’s continuously expanding ecosystem of partners.

Cellular Connectivity: When connecting over a cellular network, use Azure Sphere’s software update infrastructure, certificate-based authentication, and Azure integration to be secure. Users can explore their rapidly expanding partner ecosystem for cellular connectivity alternatives.

EPCGroup as your Azure Consulting partner

Azure Sphere delivers a ready-to-use platform for building connected IoT applications, thanks to its cloud security, MCU, and high-level OS. The EPC Group is a Microsoft Certified Gold Partner with vast experience developing connected devices with Azure consulting services such as Azure Sphere and Azure IoT Hub. Furthermore, The EPC Group makes sure they provide full assistance to the user companies so that they can streamline applications.


To conclude, Azure Sphere is a Microsoft technology that allows users to create secured and Internet-connected microcontroller (MCU) devices. The three essential components of the solution are described above: a secure operating system, cloud security, and a secure microcontroller unit (MCU). It is a holistic solution that includes not just hardware but also software and cloud services, making it a one-of-a-kind solution

Errin OConnor

Errin OConnor

With over 25 years of experience in Information Technology and Management Consulting, Errin O’Connor has led hundreds of large-scale enterprise implementations from Business Intelligence, Power BI, Office 365, SharePoint, Exchange, IT Security, Azure and Hybrid Cloud efforts for over 165 Fortune 500 companies.

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