Merge pull request #189151 from ThomasWeiss/thweiss-cosmosdb-tls-root-cert

Added Cosmos DB to TLS cert changes

Author: PRMerger10

articles/security/fundamentals/tls-certificate-changes.md

@@ -8,7 +8,7 @@ tags: azure-resource-manager
 ms.service: security
 ms.subservice: security-fundamentals
 ms.topic: article
-ms.date: 09/13/2021
+ms.date: 02/18/2022
 ms.author: mbaldwin
 
 ---
@@ -25,6 +25,7 @@ All Azure services are impacted by this change. Here are some more details for s
 
 - [Azure Active Directory](../../active-directory/index.yml) (Azure AD) services began this transition on July 7, 2020.
 - [Azure IoT Hub](https://azure.microsoft.com/services/iot-hub) and [DPS](../../iot-dps/index.yml) will remain on Baltimore CyberTrust Root CA but their intermediate CAs will change. [Click here for details](https://techcommunity.microsoft.com/t5/internet-of-things/azure-iot-tls-changes-are-coming-and-why-you-should-care/ba-p/1658456).
+- [Azure Cosmos DB](../../cosmos-db/index.yml) will begin this transition in July 2022 with an expected completion in October 2022.
 - For [Azure Storage](../../storage/index.yml), [click here for details](https://techcommunity.microsoft.com/t5/azure-storage/azure-storage-tls-critical-changes-are-almost-here-and-why-you/ba-p/2741581).
 - [Azure Cache for Redis](../../azure-cache-for-redis/index.yml) will remain on Baltimore CyberTrust Root CA but their intermediate CAs will change. [Click here for details](../../azure-cache-for-redis/cache-whats-new.md).
 - For [Azure Instance Metadata Service](../../virtual-machines/linux/instance-metadata-service.md?tabs=linux), see [Azure Instance Metadata Service-Attested data TLS: Critical changes are almost here!](https://techcommunity.microsoft.com/t5/azure-governance-and-management/azure-instance-metadata-service-attested-data-tls-critical/ba-p/2888953) for details.