Every public data breach

44 disclosed this week · 26,355 on record

Ann & Robert H. Lurie Children's Hospital Of Chicago

Disclosed Jun 27, 2024775,860 affectedConfirmed

Official notice

Ann & Robert H. Lurie Children’s Hospital of Chicago, the covered entity (CE), reported that it experienced a cyberattack that affected the protected health information (PHI) 775,860 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license and social security numbers, claims and financial information, diagnoses and conditions, lab results, medications, and other treatment information. The CE notified HHS, the affected individuals, and the media. In its mitigation efforts, the CE implemented additional technical safeguards.

What is known

People affected775,860 (as reported to HHS)
DisclosedJun 27, 2024
HappenedJan 26, 2024
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Ann & Robert H. Lurie Children's Hospital Of Chicago

History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 775860by backfillSource
summary2026-09-25
empty to Ann & Robert H. Lurie Children’s Hospital of Chicago, the covered entity (CE), reported that it experienced a cyberattack that affected the protected health information (PHI) 775,860 individuals. The PHI involved included names, addresses, by backfillSource
source2026-09-25
empty to https://ago.vermont.gov/document/2024-06-27-ann-robert-h-lurie-childrens-hospital-chicago-data-breach-notice-consumersby backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about Ann & Robert H. Lurie Children's Hospital Of Chicago