Digital Ocean saved my butt by notifying me a few months ago that a MongoDB instance I had was wide open. My mistake was coming from the PostgreSQL world were

Digital Ocean saved my butt by notifying me a few months ago that a MongoDB instance I had was wide open. My mistake was coming from the PostgreSQL world were it's secure by default - you have to jump through hoops to get a DB even visible to the internet let alone with read/write access.