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Illinois Department of Public Health

Disclosed Aug 18, 20233 years ago126,000 affectedConfirmed

Official notice

The covered entity (CE), Sutter Health, reported that its business associate (BA) experienced a malware attack that affected the protected health information (PHI) of 845,441 individuals. The PHI involved included names, addresses, dates of birth, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and the CE and BA implemented additional administrative, technical, and security safeguards. Staff were retrained to better protect PHI.

What is known

People affected126,000 (as reported to HHS)
DisclosedAug 18, 2023
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalAug 18, 2023126,000
History of this record
  • 2026-09-25 · added · backfill source

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

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