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cyberHIGHUS2026-05-11 00:15 UTC

The Canvas breach and the cost of multi-tenant blast radius

Originally published on arkensec.com Between April 29 and May 7, 2026, ShinyHunters claimed two consecutive breaches of Instructure — the company behind Canvas, the LMS running on 41% of North American higher ed. The group says it pulled 3.65 TB and 275 million records spanning 8,809 schools, then d

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