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Illinois Department of Healthcare and Family Services

Disclosed Apr 26, 20188 years ago8,000 affectedConfirmed

Official notice

The Illinois Department of Healthcare and Family Services (IDHFS), the covered entity (CE), reported that a state employee inadvertently changed the addresses of its clients to the incorrect addresses and subsequently mailed protected health information (PHI) to the wrong recipients. This breach affected approximately 4,968 individuals. The PHI involved included names, dates of birth, phone numbers, financial information, and clinical information. The CE notified HHS, affected individuals, and the media. As a result of this breach, IDHFS implemented additional administrative safeguards to prevent incidents of this nature. OCR obtained assurances that the corrective actions noted above were completed.

What is known

People affected8,000 (as reported to HHS)
DisclosedApr 26, 2018
AttackInsider
Data exposedNames, Health
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalApr 26, 20188,000

Other breaches at Illinois Department of Healthcare and Family Services

BreachAffected
Disclosed Mar 22, 2021Mar 22, 20215 years agoInsider8,848
Disclosed Jul 15, 2013Jul 15, 201313 years agoHacking3,133
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 Illinois Department of Healthcare and Family Services

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