Global Schools Group breach exposes 183k accounts, passport data

The report details findings from the Global Schools Group (GSG) data breach, affecting multiple international school brands. An attack on GSG resulted in significant data exposure, including 183,164 user accounts (83,132 students, 88,856 parents, and 11,176 staff). The breach revealed extensive personal information, such as passport and government ID numbers, internal messages, attendance records, and job applicant data. GSG operates 12 brands across various countries, with GIIS being the most severely impacted.

This first part of a two-part report focuses on general findings and provides specific data for GIIS, OWIS, and Glendale Academy.