> Somebody just apt-get installed a mongodb onto a DO droplet called it a day. Two days later the only remaining records prompted us to transfer x amount of BTC

> Somebody just apt-get installed a mongodb onto a DO droplet called it a day. Two days later the only remaining records prompted us to transfer x amount of BTC to a adress that was store in our DB. If the default install does this, then I'd blame the package /distro maintainers. It should definitely at least only listen on localhost by default, with stern warnings what is going to happen if you change that without setting up proper security.