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Hackers deface school login pages after claiming another Instructure hack

TechCrunch · May 7, 2026, 8:59 PM · Also reported by 1 other source

Key takeaways

  • On Tuesday, education tech giant Instructure disclosed a data breach where hackers stole students’ private information, including their names, personal email addresses, and messages sent between teachers and students.
  • Tech Crunch saw a message published by the cybercrime group ShinyHunters on the Canvas login pages of three separate schools.
  • The message says the hackers will publish the stolen data on May 12 if the company does not negotiate a settlement.

On Tuesday, education tech giant Instructure disclosed a data breach where hackers stole students’ private information, including their names, personal email addresses, and messages sent between teachers and students.

Now, it appears hackers were able to compromise Instructure again this time defacing several schools’ login pages to the company’s platform Canvas, which allows schools to manage coursework and assignments and communicate with students.

Tech Crunch saw a message published by the cybercrime group ShinyHunters on the Canvas login pages of three separate schools. A review of the defaced portals shows that the hackers injected an HTML file that altered the login screens to display their message.

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