The hackers didn’t take the site down, but altered the message that is sent to website owners by Copyright Labs’ automated takedown tool.
Somehow, the person who gained access to the Copyright Labs web server managed to replace the takedown URLs with their message. Using the Anonymous handle the hacker(s) point out that they disapprove of Copyright Labs’ anti-piracy efforts.
This message was sent in hundreds, if not thousands of emails to various website owners.
How much damage Anonymous has done to Copyright Labs’ server is unknown, but its website has been unreachable for days. At the time of publication the Copyright Labs site is still displaying a “down for maintenance” notice.