mit.edu Sub-Domain Penetrated by Poisonous

Indian hacker going by the name of 'poisonous' has defaced the sub domain of Massachusetts Institute of Technology (mit.edu) by uploading a page on which the following was written:
"b0x own3d by p0isonOus ;)
Bitch Please,Where Is the Security. :|
This is c4ll3d R0y4L h4X!ng :)
Gr33tz t0 Indian HaX0rs
All Rights Reserved !!
2013 "

By the time of publishing,the sub-domain was already deleted.Mirror of the url has been provided below to see how the page was at the time of defacement.

Sub-Domain Defaced:
http://nsbe.scripts.mit.edu/p0isonOus.html

Mirror: [Zone-H]