Users of the “cloud mining” service Cloudminr.io were greeted with an unwelcome surprise when they showed up at the site in the last several hours: a CSV (comma separated values) file containing a sample of the entire user database for the website. The whole site is apparently for sale, and the hackers appear to have full control of the server at this point.
Read more on XBT.money.
Jesus! You can actually buy the list:
https://bitcointalk.org/index.php?topic=1120308.0