Well known defacement archive Zone-H
reported that one of the Internet Security Systems' servers has been compromised. According to the Google's cache, the server, residing on http://xfiw.iss.net
, hosted information on the "X-Force Internet Watch (XFIW)" program.
The server was compromised through a Microsoft Windows 2000 vulnerability announced in MS03-007
security bulletin in mid March 2003. The anti-war themed defacement is archived over here