Because the people who did it posted screenshots of the contents of the file systems. Macrumors was compromised as a result of this as well, and 800,000 user accounts possibly compromised. They made it a point to announce it so their users could take again, Internet Brands has not. Inexcusable!
https://www.facebook.com/inj3ct0rs/p...11793255548704
This is the group that did it and they include the screen captures from the shell they managed to install on the servers.
Again, I ask... why the silence? This explains why the VB.org site was mysteriously down last night!