I'm prototyping in meteor using MongoDB and Compute Engine. I have two VM instances in google cloud platform. One is a web app and the other is a MongoDB insta

I'm prototyping in meteor using MongoDB and Compute Engine. I have two VM instances in google cloud platform. One is a web app and the other is a MongoDB instance. They are in the same network. The connection I use is their internal IP. Can other people eaves drop between my two instances?