Overview of Defender for Open-Source Relational Databases
In brief
The documentation now links to the multicloud workload protection support matrix, describes Amazon RDS support without the preview label, and states that supported RDS databases include sensitive data discovery.
What Defender admins need to know
Review the updated coverage details and support matrix when assessing protection for AWS RDS workloads.
Summaries are generated from the documentation change itself.
Documentation change
The comparison below shows only the changed extract. Use the full-page view for complete context.
Defender for Open-Source Relational Databases is supported on platform as a service (PaaS) environments for Azure and Amazon Web Services (AWS). It isn't supported on Azure Arc-enabled machines. For more information about availability, see Defender for Cloud support matrices for Azure commercial/other clouds.
For a summary of AWS and GCP workload coverage by plan, see the multicloud workload protection support matrix.
This plan brings threat protections for the following open-source relational databases on Azure.
Azure Database for PostgreSQL
Amazon RDS
Amazon Relational Database Service (RDS) instances on AWS (preview) support:
- Aurora PostgreSQL
- Aurora MySQL
Benefits
Defender for Cloud provides multicloud alerts on anomalous activities so that you can detect potential threats and respond to them as they occur. For supported Amazon RDS databases, the plan also includes sensitive data discovery. For more information, see Enable Defender for open-source relational databases on Amazon Web Services.
When you enable this plan, Defender for Cloud provides alerts when it detects anomalous database access and query patterns, along with suspicious database activities. The alerts include:
@@ -1,9 +1,11 @@ --- title: Overview of Defender for Open-Source Relational Databases description: Learn about the benefits and features of Microsoft Defender for Open-Source Relational Databases such as PostgreSQL and MySQL.-ms.date: 04/20/2026+ms.date: 08/10/2026 ms.topic: overview-ms.custom: sfi-image-nochange+ms.custom:+ - sfi-image-nochange+ - msecd-doc-authoring-1015 #customer intent: As a reader, I want to understand the purpose and features of Microsoft Defender for Open-Source Relational Databases so that I can make informed decisions about its usage. ai-usage: ai-assisted ---@@ -18,6 +20,8 @@ For pricing information about Defender for Open-Source Relational Databases, see Defender for Open-Source Relational Databases is supported on platform as a service (PaaS) environments for Azure and Amazon Web Services (AWS). It isn't supported on Azure Arc-enabled machines. For more information about availability, see [Defender for Cloud support matrices for Azure commercial/other clouds](support-matrix-defender-for-cloud.md#cloud-support). +For a summary of AWS and GCP workload coverage by plan, see the [multicloud workload protection support matrix](multicloud-support-matrix.md).+ This plan brings threat protections for the following open-source relational databases on Azure. ### Azure Database for PostgreSQL@@ -34,7 +38,7 @@ Protected versions of [Azure Database for MySQL](/azure/mysql/) include: ### Amazon RDS -Amazon Relational Database Service (RDS) instances on AWS (preview) support:+Amazon Relational Database Service (RDS) instances on AWS support: - Aurora PostgreSQL - Aurora MySQL@@ -44,7 +48,7 @@ Amazon Relational Database Service (RDS) instances on AWS (preview) support: ## Benefits -Defender for Cloud provides multicloud alerts on anomalous activities so that you can detect potential threats and respond to them as they occur.+Defender for Cloud provides multicloud alerts on anomalous activities so that you can detect potential threats and respond to them as they occur. For supported Amazon RDS databases, the plan also includes sensitive data discovery. For more information, see [Enable Defender for open-source relational databases on Amazon Web Services](enable-defender-for-databases-aws.md). When you enable this plan, Defender for Cloud provides alerts when it detects anomalous database access and query patterns, along with suspicious database activities. The alerts include: 