ShinyHunters: Instructure breach affects 275 million teachers and students

Instructure said a cyberattack caused a Canvas service disruption and exposed user data.

The company later said it patched systems and rotated credentials after the incident.

ShinyHunters claimed it stole 3.65 TB of data, including names, emails, student IDs, and messages.

The alleged breach could affect teachers, students, and staff across thousands of schools.

The case underscores major cybersecurity risks for widely used education platforms.