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Cook County Health

Disclosed Jan 24, 20206 years ago2,713 affectedConfirmed

Official notice

Cook County Health (CCH), the covered entity (CE), reported that the protected health information (PHI) of 2,713 individuals was impermissibly sent to its mailing vendor. The PHI involved included names, addresses, and email addresses. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE revised its policies and procedures and trained its staff on privacy protections. OCR obtained assurances that CCH implemented the corrective actions noted.

What is known

People affected2,713 (as reported to HHS)
DisclosedJan 24, 2020
AttackInsider
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): Cook County Health (Healthcare Provider, IL)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalJan 24, 20202,713

Other breaches at Cook County Health

BreachAffected
Disclosed Jul 2, 2021Jul 2, 20215 years agoInsider898
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.

Everything about Cook County Health

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