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Latest / California / August 2026

Southern Illinois University

Southern Illinois University notified California AG on Aug 20, 2026 of a data breach, which occurred on Sep 29, 2025.

Organization
Southern Illinois University
Source
California AG · source record
Date reported
Aug 20, 2026
Date(s) of breach
09/29/2025
Residents affected
Not published by this source
Data exposed
Not stated in the source listing
Notice letter
Not available
First seen by BreachTally
2026-10-30 15:26 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Other filings by Southern Illinois University

OrganizationSourceStateReportedResidents affectedData exposed
Southern Illinois University Massachusetts OCABR MA Aug 21, 2026 134 Social Security number
Southern Illinois University Texas AG TX Aug 21, 2026 1,597 Social Security numberPostal addressName
Southern Illinois University Washington AG WA Aug 20, 2026 552 Social Security numberName
First seen by BreachTally at 15:26 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.