All Breaches
September 18, 2026 Verified Education

Educational Testing Service Data Breach

The Educational Testing Service (ETS), a nonprofit testing assessment contractor administering statewide student assessments for the California Department of Education (CDE), disclosed an unauthorized security incident involving its secure file transfer protocol (SFTP) system.

5.7 Million
Affected People
6
Data Types
Critical
Severity
Oct 27, 2026
Last updated

Protect Yourself

Check whether you were affected by this breach

Check my email

Exposed Data Types

6
  • Education details
  • Names
  • Dates of birth
  • Physical addresses
  • Government issued IDs
  • Education levels

About This Breach

Between May 22 and September 18, 2026, an unauthorized party utilized compromised credentials to systematically exfiltrate assessment data files, affecting an estimated 5.7 million current and former California public school students. Compromised records include student full names, Statewide Student Identifiers (SSIDs), dates of birth, home addresses, demographic details, disability and specialized program participation status, and assessment test scores. Social Security numbers and financial data were not involved.

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

Report missing or incorrect information