Update ROPE-SEE per blowdart /2

aspnetcore/security/index.md

@@ -61,7 +61,7 @@ Managed identities are a secure way to authenticate to services without needing
 * [Managed identities for App Service and Azure Functions](/azure/app-service/overview-managed-identity)
 * [Secure authentication flows](/entra/identity-platform/authentication-flows-app-scenarios#web-app-that-signs-in-a-user)
 
-When the app is deployed to a test server, an environment variable can be used to set the connection string to a test database server. For more information, see [Configuration](xref:fundamentals/configuration/index). An environment variable should ***NEVER*** be used to store a production connection string.
+When the app is deployed to a test server, an environment variable can be used to set the connection string to a test database server. For more information, see [Configuration](xref:fundamentals/configuration/index). We recommend environment variables not be used to store a production connection string as it's not the most secure approach.
 
 For more information, see:
 
@@ -70,6 +70,11 @@ For more information, see:
 * [Azure services that can use managed identities to access other services](/entra/identity/managed-identities-azure-resources/managed-identities-status)
 * [IETF OAuth 2.0 Security Best Current Practice](https://datatracker.ietf.org/doc/html/draft-ietf-oauth-security-topics#section-2.4)
 
+For information on other cloud providers, see:
+
+* [AWS (Amazon Web Services): AWS Key Management Service (KMS)](https://aws.amazon.com/kms/)
+* [Google Cloud Key Management Service overview](https://cloud.google.com/kms/docs/key-management-service)
+
 ## Additional resources
 
 * <xref:security/authentication/identity>