2022 Moscow Electronic School — 17M children and parents
Data compromised
Logins, names, DOB, SNILS, emails, phones
Technical writeup
Pro-Ukrainian NLB Team leaked data of 17M+ children and parents. 17M lines: logins, names, birth dates, SNILS, emails, phones; 3.3M unique phones. Moscow denied data pertained to real users; users found own info in leak.
Root cause
Hacking; NLB Team hacktivist group