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Event Brief

Canadian universities take action after security breach

University of Toronto took Quercus offline after a cyberattack on Instructure, with hackers claiming millions of users’ data stolen.
WHO: University of Toronto
WHAT: University of Toronto took Quercus offline following a cyberattack on Instructure
WHEN: May 8, 2026 at 2:49 PM ET
WHERE: Canada
WHY: The breach was triggered by a cyberattack on Instructure.
How this story developed (showing 6 of 6 earlier reports)

Reporting from 10 identified publishers across this event arc.

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Publishers represented across this event arc

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How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.

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