Cue the panic...
This is one reason to keep Hadoop in the DC and not on the cloud.
Not that you can't run in the cloud, but you need to take more precautions.
If set up correctly, Hadoop can be fairly secure.
At the same time... most Hadoop clusters are isolated and deep within the enterprise.
Unless of course you're running on the cloud. Then YMMV depending on which cloud provider and how careful your entire staff is...
Biting the hand that feeds IT
