From reading the thread it looks like it was a linode database running their forums.. Self hosting wouldn't solve this particular problem unfortunately
Re:Linode hacked again?
by infosecslave on Sunday January 19, 2014 @01:57PM
(#7085454)
It also seems to host a plenty of other linode related databases according to information pasted on IRC.
Re:Linode hacked again?
by infosecslave on Sunday January 19, 2014 @01:56PM
(#7085448)
theshore==linode
Obviously if you don't have the experience in this, your susceptible to this kind of leak.