The hacking group WikiBoat has released a press release on Pastebin. They provide information about #opnewson, their targets and goals.
Opnewson started on May 25th of 2012 - but it still active. The reason why they target their targets is simply for the lulz.
In the press release they have targeted the panicd.com site.
Summary of the site: This site owns a TV network, broadcasting people that think they have paranormal activity in their home.