Canvas LMS breach: ShinyHunters claims 3.65TB stolen from 275M users across 9,000 schools

Instructure disclosed a cyberattack on April 30 affecting Canvas, one of the world's most widely used learning management systems. The ShinyHunters extortion group claims to have stolen 3.65TB of data covering 275 million users across approximately 9,000 schools globally, including names, email addresses, student ID numbers, and private messages between students and teachers. Instructure confirmed the breach is contained as of May 3 but has not independently verified the 275M figure. Passwords and financial data were not accessed.