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)

A recent cyberattack on Instructure's Canvas platform has disrupted educational activities for students at various schools and universities across the United States, coinciding with finals week. The outage has led to some institutions postponing exams as they work to restore access to the online system used for managing assessments.