A hack of Instructure's Canvas locked out students at schools and universities across the US in the middle of finals period; some US colleges postponed exams (Associated Press)

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Associated Press:
A hack of Instructure's Canvas locked out students at schools and universities across the US in the middle of finals period; some US colleges postponed exams  —  Schools and universities across the country are recovering from an outage that knocked down Canvas, an online platform that manages exams …

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