Every public data breach

44 disclosed this week · 26,355 on record

Blue Cross Blue Shield of Illinois

Disclosed Aug 20, 20263,831 affectedConfirmed

Official notice

What is known

People affected3,831 (as reported to HHS)
DisclosedAug 20, 2026
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS OCR), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

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