Monarch

Disclosed Dec 16, 202257,564 affectedConfirmed

The covered entity (CE), Monarch, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 56,155 individuals. The PHI involved included names, dates of birth, addresses, Social Security numbers, drivers’ license numbers, medications, health insurance information, claims and financial information, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE offered free credit monitoring to affected individuals and implemented additional administrative, technical, and security safeguards.

What is known

People affected	57,564 (as reported by the organization)
Disclosed	Dec 16, 2022
Happened	Aug 20, 2022
Attack	Hacking
Data exposed	NamesHealth
Sector	Healthcare · US
Status	Confirmed

Sources

Official noticein.gov

Indiana Attorney General 2023 data breach report: Monarch

Official noticeocrportal.hhs.gov

HHS OCR breach report (archive, resolved): Monarch (Healthcare Provider, NC)

Notices filed

Residents of INDec 16, 2022

Indiana AG5 people

TotalDec 16, 2022

HHS archive56,155 people

History of this record

sector2026-09-25

other to healthby backfillSource

attack2026-09-25

unknown to hackingby backfillSource

data_types2026-09-25

[] to ["names","health"]by backfillSource

summary2026-09-25

empty to The covered entity (CE), Monarch, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 56,155 individuals. The PHI involved included names, dates of birth, addresses, Social Security numby backfillSource

Added2026-09-25

First recordedby backfillSource

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

Everything about Monarch