Federal privacy commissioner Daniel Therrien and all of his provincial and territorial counterparts are signing a joint submission to the government's security review.

Canada's spy agency is using controversial powers under the C-51 anti-terrorism legislation to gather intelligence from Canadians held in foreign prisons, a newly released memo reveals.

Canada's Privacy Commissioner is taking aim at a controversial piece of Conservative legislation in his annual report, saying Bill C-51 was "not properly evaluated" before it became law.