There has been some interest/questions around how to use ConfigProviders in Kafka to securely store connection strings for use with the MongoDB Kafka connector.  We should add an item to the Security and Authentication menu. "Using ConfigProviders" that discusses how to securely store MongoDB connection strings and credentials using Kafka Connect's Config Providers  

Reference:

https://jira.mongodb.org/browse/KAFKA-322

https://stackoverflow.com/questions/69076149/mongosinkconnector-resolving-secret-throws-validation-exception

https://jira.mongodb.org/browse/HELP-34950

https://aws.amazon.com/blogs/opensource/how-mongodb-and-aws-collaborated-to-enable-running-the-open-source-mongodb-kafka-connector-in-managed-environments/

A/C

As a user, I can read about how to use the Kafka Connect ConfigProvider to store connection strings

As a user, I can read about how to use the source/sink connector to reference credentials in ConfigProvider