Canadians are waking up to a global tech outage disrupting operations in multiple industries. The latest:Cybersecurity firm CrowdStrike blames software update for global tech outage. Company reports services being restored after outage affected systems using Microsoft Windows. Porter Airlines cancelled flights; flights with U.S. airlines affected. U.S. Customs and Border Protection released its own statement indicating the issue, related to the global CrowdStrike outage, had been resolved.