Azure Cosmos DB Blog

The latest news, updates and technical insights from the Azure Cosmos DB team

Configure customer-managed keys for your existing Azure Cosmos DB accounts!

September 12, 2023 Sep 12, 2023 09/12/23

Dileep Rao

Encryption options for data at rest on Azure Cosmos DB that is available today. Azure Cosmos DB strives to provide the best-in-class security features. Encryption of data at rest is one such important security feature. Encryption of data at rest using Microsoft's service-managed keys is enabled by default. In addition to this default ...

Role-based access control in Azure Cosmos DB API for MongoDB: Now in preview

July 19, 2022 Jul 19, 2022 07/19/22

Richa Gaur

Role based access control (RBAC) is a much-needed capability in any database for enterprises. It lets you simplify your access control mechanism without added management. We have introduced RBAC in Azure Cosmos DB API for MongoDB, which allows you to: Authorize your data requests with a fine-grained, role-based permission model Audit ...

Upcoming changes to Azure Cosmos DB TLS certificates

March 21, 2022 Mar 21, 2022 03/21/22

Thomas Weiss

Microsoft is updating Azure services to use TLS certificates from a different set of Root Certificate Authorities (CAs). Follow these steps to see if your application is affected, and update your TLS certificates to prevent disruption to your Azure Cosmos DB account.

A tour of Always Encrypted for Azure Cosmos DB

July 29, 2021 Jul 29, 2021 07/29/21

Santosh Kulkarni

Always encrypted for Azure Cosmos DB provides encryption support on the client-side to protect sensitive data by encrypting data such as credit card numbers or national identification numbers, before it gets transferred over the wire to be stored in Azure Cosmos DB. Always encrypted allows clients to protect JSON property values which are ...

Announced at Build: new capabilities for data security and workload optimization

May 25, 2021 May 25, 2021 05/25/21

Aria Jelinek

Read on for Azure Cosmos DB updates at Microsoft Build 2021, including enhanced control, security, cost savings and speed.

Announced at Ignite: new Cassandra and MongoDB capabilities, real-time analytics, enhanced security, and more

March 2, 2021 Mar 2, 2021 03/2/21

Nikisha Reyes-Grange

New features and capabilities for Azure Cosmos DB were announced today at Microsoft Ignite. Read on for highlights and the schedule of events.

Continuous backup with point in time restore now in preview

March 2, 2021 Mar 2, 2021 03/2/21

Govind Kanshi

Azure Cosmos DB now offers continuous backup with point-in-time restore capabilities. This feature can help to recover your database from accidental delete of accounts, containers or mutation of data. The restore can be accomplished through a wide area of tools available on the platform.

Role-based access control with Azure AD now in preview

March 2, 2021 Mar 2, 2021 03/2/21

Thomas Weiss

Role-based access controls are now in public preview for Azure Cosmos DB Core (SQL) API. They offer fine-grained control over permissions and add a new layer of security to your databases.

Azure Cosmos DB wrap-up: May 2020 BUILD Announcements

May 21, 2020 May 21, 2020 05/21/20

Mark Brown

Read about all of the amazing announcements we made at Microsoft BUILD 2020 including Azure Synapse Link for Azure Cosmos DB, autoscale GA, encryption, new Jupyter Notebook features, serverless, new change feed and much more!

Enhanced encryption at rest with customer-managed keys

May 19, 2020 May 19, 2020 05/19/20

Thomas Weiss

Azure Cosmos DB enhances its enterprise-grade security offering. Encryption at rest with customer-managed keys is now generally available, adding a second layer of encryption on top of the default service-managed keys.

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