Every public data breach

47 disclosed this week · 26,367 on record

Illinois Department of Healthcare and Family Services, Illinois Department of Human Services

Disclosed Oct 21, 2022480,435 affectedConfirmed

Official notice

The Illinois Department of Healthcare and Family Services , Illinois Department of Human Services, the covered entity (CE), reported that it experienced a hacking attack that compromised the protected health information (PHI) of 50,839 individuals. The PHI involved included names, addresses, dates of birth, social security numbers, and telephone numbers. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE strengthened its administrative, technical, and security safeguards.

What is known

People affected480,435 (as reported to HHS)
DisclosedOct 21, 2022
AttackHacking
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

History of this record
records2026-09-25
50839 to 480435by backfillSource
disclosed2026-09-25
2023-05-12 to 2022-10-21by backfillSource
Added2026-09-25
First recordedby backfillSource

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, Illinois Department of Human Services