Apparently this group is behind it. Also attacked WoW and twitch servers.. https://twitter.com/ukdrillas
Part of the liability should be shared with the people owning the compromised machines these crazies are using for their attacks, otherwise attacks like these will never stop as long as enough free “ammunition” is being left around by incompetent people who can’t be bothered to secure & monitor their systems properly. Edit: in reply to some of the (valid) counter-arguments, I'd like to say that there are indeed many…
Technology that cannot be used by anyone but the snobbish tech elite because anyone else just gets sued to oblivion.