Police investigating after explosion at Grimsby, Ont., school injures staff member

Federal security officials say Ottawa must do more to educate those running businesses and critical infrastructure systems of the threats posed by hackers, as too many of these leaders are underinvesting in protection.Tricia Geddes, deputy minister at Public Safety Canada, opened the first day of the Vancouver International Security Summit on Monday by saying that society, as a whole, has still not twigged to the fact that “we’re already at war when it comes to cyberwarfare” with certain countries and their criminal proxies. Those actors are attacking companies of all sizes and public...