Biggest Data Breaches in Education (Updated August 2026) | UpGuard

A ranked, sector-focused catalog of the 30 largest and most consequential education and edtech data breaches through August 2026, documenting massive vendor supply‑chain incidents (PowerSchool, Instructure/Canvas), MOVEit/Clop and other zero‑day/exploit-driven compromises, numerous ransomware extortion events, credential‑theft/infostealer activity, the types of exposed data, attack vectors, regulatory outcomes, and common patterns (vendor concentration, lack of MFA, stolen credentials) that drive scale and impact across K‑12 and higher education.