Advocate Medical Group

Disclosed Aug 23, 20134,029,530 affectedSettled

Four stolen desktop computers held data on 4 million Advocate patients

Unencrypted desktop computers were stolen from an Advocate Medical Group administrative office in Illinois, exposing data of about 4 million patients. Advocate later paid a record $5.55 million HIPAA settlement covering this and other breaches.

What is known

People affected	4,029,530 (as reported by the organization)
Disclosed	Aug 23, 2013
Happened	Jul 15, 2013
Attack	Lost or stolen device
Data exposed	NamesAddressesDates of birthSocial Security numbersHealthInsurance
Sector	Healthcare · US
Status	Settled
Lawsuit or fine	$5.55M HHS OCR HIPAA settlement (2016) (about $5.5M)

Sources

Official noticeoag.ca.gov

California Attorney General breach notice: Advocate Medical Group

Regulatorocrportal.hhs.gov

HHS Office for Civil Rights breach portal (archive): Breaches Affecting 500 or More Individuals

Regulatorweb.archive.org

Advocate Health Care Settles Potential HIPAA Penalties for $5.55 Million

Notices filed

Residents of CAAug 23, 2013

California AGCount not stated

TotalAug 23, 2013

Research4,029,530 people

History of this record

status2026-09-25

confirmed to settledby seedSource

fine_usd2026-09-25

empty to 5550000by seedSource

lawsuit2026-09-25

empty to $5.55M HHS OCR HIPAA settlement (2016)by seedSource

attack2026-09-25

unknown to lost-deviceby seedSource

data_types2026-09-25

[] to ["names","addresses","dob","ssn","health","insurance"]by seedSource

records_basis2026-09-25

empty to organizationby seedSource

records2026-09-25

empty to 4029530by seedSource

summary2026-09-25

empty to Unencrypted desktop computers were stolen from an Advocate Medical Group administrative office in Illinois, exposing data of about 4 million patients. Advocate later paid a record $5.55 million HIPAA settlement covering this and other breacby seedSource

title2026-09-25

empty to Four stolen desktop computers held data on 4 million Advocate patientsby seedSource

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 Advocate Medical Group