OTTAWA—The committee of MPs and senators which oversees federal security policy has uncovered gaps in Canada’s cyberdefences that could leave many agencies vulnerable to state-sponsored hackers from countries like China and Russia. In a new report, the National Security and Intelligence Committee of Parliamentarians says cyberthreats to government systems and networks are a significant risk…

OTTAWA—Erin O’Toole is refusing to name Conservative members to the national security and intelligence committee of parliamentarians. The Conservative leader pulled his party’s MPs from the committee last spring to protest the Liberal government’s refusal to hand over unredacted documents related to the firing of two scientists from Canada’s highest security laboratory. In a Dec….