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Chaos erupts as cyberattack disrupts learning platform Canvas amid finals

ID: 56284dc8-0cb5-5b41-b968-8ba8c15ff8dd

STIX ID: report--56284dc8-0cb5-5b41-b968-8ba8c15ff8dd

Feed Name: Security - Ars Technica

Threat Score
75/100

Date Published: 2026-05-08

Date Updated: 2026-05-22

Author: Dan Goodin

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Canvas (Instructure) was temporarily taken offline after unauthorized activity attributed to the ShinyHunters group, which claimed to have stolen data for 275 million people across 8,800 schools and posted a ransom demand; exposed data reportedly includes user names, email addresses, student ID numbers, and exchanged messages, and the outage disrupted final exams and prompted institutions to postpone or reschedule assessments.

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