The hacking group Anonymous claimed via its Twitter feed to have breached servers belonging to NATO, the North Atlantic Treaty Organization military alliance that has largely been responsible for the military defense of Europe since the end of World War II.
So far, three PDF copies of documents the group claimed to have taken in the attack were circulating on a sharing site devoted to PDF documents. Two were marked “NATO Restricted” and appear to have been removed from the PDFCast site.


Here's what they wrote on their twitter account:

We are sitting on about one Gigabyte of data from NATO now, most of which we cannot publish as it would be irresponsible. But Oh NATO….