The Canadian government sources said the attack also disrupted email, Internet access and servers.
Canadian cabinet minister Tony Clement who heads the Canadian Treasury Board, publically confirmed the attack on Twitter.
Confirmed today that Govt of Canada GC servers have been cyberattacked.
Until full service is restored like use 1-800-OCanada.
It is also organising protests against the law.
They have asked online users to protest over the enactment of this law through a Pastebinpaste.
source: www.techworm.net