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This security baseline applies guidance from the Microsoft cloud security benchmark version 1.0 to Azure Sphere. The Microsoft cloud security benchmark provides recommendations on how you can secure your cloud solutions on Azure. The content is grouped by the security controls defined by the Microsoft cloud security benchmark and the related guidance applicable to Azure Sphere.
You can monitor this security baseline and its recommendations using Microsoft Defender for Cloud. Azure Policy definitions will be listed in the Regulatory Compliance section of the Microsoft Defender for Cloud portal page.
When a feature has relevant Azure Policy Definitions, they are listed in this baseline to help you measure compliance with the Microsoft cloud security benchmark controls and recommendations. Some recommendations may require a paid Microsoft Defender plan to enable certain security scenarios.
Note
Features not applicable to Azure Sphere have been excluded. To see how Azure Sphere completely maps to the Microsoft cloud security benchmark, see the full Azure Sphere security baseline mapping file.
Security profile
The security profile summarizes high-impact behaviors of Azure Sphere, which may result in increased security considerations.
Service Behavior Attribute | Value |
---|---|
Product Category | IoT, Security |
Customer can access HOST / OS | No Access |
Service can be deployed into customer's virtual network | False |
Stores customer content at rest | False |
Identity management
For more information, see the Microsoft cloud security benchmark: Identity management.
IM-1: Use centralized identity and authentication system
Features
Azure AD Authentication Required for Data Plane Access
Description: Service supports using Azure AD authentication for data plane access. Learn more.
Supported | Enabled By Default | Configuration Responsibility |
---|---|---|
False | Not Applicable | Not Applicable |
Configuration Guidance: This feature is not supported to secure this service.
IM-3: Manage application identities securely and automatically
Features
Managed Identities
Description: Data plane actions support authentication using managed identities. Learn more.
Supported | Enabled By Default | Configuration Responsibility |
---|---|---|
False | Not Applicable | Not Applicable |
Configuration Guidance: This feature is not supported to secure this service.
Service Principals
Description: Data plane supports authentication using service principals. Learn more.
Supported | Enabled By Default | Configuration Responsibility |
---|---|---|
False | Not Applicable | Not Applicable |
Configuration Guidance: This feature is not supported to secure this service.
IM-8: Restrict the exposure of credential and secrets
Features
Service Credential and Secrets Support Integration and Storage in Azure Key Vault
Description: Data plane supports native use of Azure Key Vault for credential and secrets store. Learn more.
Supported | Enabled By Default | Configuration Responsibility |
---|---|---|
False | Not Applicable | Not Applicable |
Configuration Guidance: This feature is not supported to secure this service.
Data protection
For more information, see the Microsoft cloud security benchmark: Data protection.
DP-4: Enable data at rest encryption by default
Features
Data at Rest Encryption Using Platform Keys
Description: Data at-rest encryption using platform keys is supported, any customer content at rest is encrypted with these Microsoft managed keys. Learn more.
Supported | Enabled By Default | Configuration Responsibility |
---|---|---|
False | Not Applicable | Not Applicable |
Configuration Guidance: This feature is not supported to secure this service.
DP-7: Use a secure certificate management process
Features
Certificate Management in Azure Key Vault
Description: The service supports Azure Key Vault integration for any customer certificates. Learn more.
Supported | Enabled By Default | Configuration Responsibility |
---|---|---|
False | Not Applicable | Not Applicable |
Configuration Guidance: This feature is not supported to secure this service.
Asset management
For more information, see the Microsoft cloud security benchmark: Asset management.
AM-2: Use only approved services
Features
Azure Policy Support
Description: Service configurations can be monitored and enforced via Azure Policy. Learn more.
Supported | Enabled By Default | Configuration Responsibility |
---|---|---|
False | Not Applicable | Not Applicable |
Configuration Guidance: This feature is not supported to secure this service.
Logging and threat detection
For more information, see the Microsoft cloud security benchmark: Logging and threat detection.
LT-4: Enable logging for security investigation
Features
Azure Resource Logs
Description: Service produces resource logs that can provide enhanced service-specific metrics and logging. The customer can configure these resource logs and send them to their own data sink like a storage account or log analytics workspace. Learn more.
Supported | Enabled By Default | Configuration Responsibility |
---|---|---|
False | Not Applicable | Not Applicable |
Feature notes: Resource log is not supported in Azure Sphere. However, there is diagnostic logs available at the device level. Refer to Manage log files.
Configuration Guidance: This feature is not supported to secure this service.
Next steps
- See the Microsoft cloud security benchmark overview
- Learn more about Azure security baselines