The Canadian flag flies on the Peace Tower on Parliament Hill in Ottawa on Oct. 24, 2025. The Canadian Press/Sean Kilpatrick
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Canada’s cyber defence agency has said hackers are increasingly targeting Canada’s water systems, and that hackers backed by foreign states have gained access to these systems and could launch attacks “in times of crisis or conflict between states.”
“We assess that state-sponsored cyber threat actors have almost certainly developed pre-positioned access to Canadian water systems,” the Canadian Centre for Cyber Security (CCSC) said in a Nov. 25 report.
Matthew Horwood is a reporter based in Ottawa.
