A hacker claims to have breached education technology company Instructure and stolen 280 million data records from 8,809 educational institutions including colleges, school districts, and online education platforms. The breach affects student and staff data across thousands of schools and universities. This represents a massive data exfiltration incident targeting the education sector. The scale of the breach with nearly 9,000 affected institutions makes this a significant cybersecurity incident. The stolen data likely contains sensitive personal information of students and educational staff.