Delta Health System

Disclosed Mar 29, 2024216,532 affectedConfirmed

The covered entity (CE), UnitedHealthcare reported that an employee mailed the protected health information (PHI) of 3,215 individuals to the wrong recipients. The PHI involved demographic and treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional administrative safeguards.

What is known

People affected	216,532 (as reported by the organization)
Disclosed	Mar 29, 2024
Happened	Jan 15, 2024
Attack	Hacking
Data exposed	NamesHealth
Sector	Healthcare · US
Status	Confirmed

Sources

Official noticeago.vermont.gov

Vermont Attorney General: 2024-09-05 Delta Health System Data Breach Notice to Consumers

Official noticein.gov

Indiana Attorney General 2024 data breach report: Delta Health System

Official noticeocrportal.hhs.gov

HHS OCR breach report (archive, resolved): Delta Health System (Healthcare Provider, MS)

Notices filed

TotalMar 29, 2024

HHS archive216,532 people

Residents of VTSep 5, 2024

Vermont AGCount not stated

Residents of INSep 5, 2024

Indiana AG67 people

History of this record

attack2026-09-25

unknown to hackingby backfillSource

data_types2026-09-25

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

disclosed2026-09-25

2024-09-05 to 2024-03-29by backfillSource

summary2026-09-25

empty to The covered entity (CE), UnitedHealthcare reported that an employee mailed the protected health information (PHI) of 3,215 individuals to the wrong recipients. The PHI involved demographic and treatment information. The CE notified HHS, affby backfillSource

records_basis2026-09-25

empty to organizationby backfillSource

records2026-09-25

empty to 216532by backfillSource

occurred2026-09-25

empty to 2024-01-15by backfillSource

Added2026-09-25

First recordedby backfillSource

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

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