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Deaconess Health System

Disclosed Mar 20, 20266 months ago203,874 affectedConfirmed

Official notice

The covered entity (CE), Deaconess Health System, reported that its business associate (BA) experienced a breach of its network that affected the protected health information of 8,941 individuals. The PHI involved clinical and demographic information. The CE notified HHS, the media, and the affected individuals. In response to the breach, the CE and BA implemented additional administrative, technical, and security safeguards to better protect PHI.

What is known

People affected203,874 (as reported by the organization)
DisclosedMar 20, 2026
DiscoveredJun 26, 2026
HappenedDec 2, 2025
AttackHacking
Data exposedSocial Security numbers, Health, Insurance, Dates of birth, Names
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalMar 208,941
Texas AGresidents of TXAug 7374

Other breaches at Deaconess Health System

BreachAffected
Disclosed Feb 23, 2022Feb 23, 20224 years ago46
Disclosed Apr 30, 2021Apr 30, 20215 years ago1
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · disclosed: 2026-08-07 to 2026-03-20 · backfill source
  • 2026-09-25 · summary: empty to The covered entity (CE), Deaconess Health System, reported that its business associate (BA) experienced a breach of its network that affected the protected health information of 8,941 individuals. The PHI involved clinical and demographic i · backfill source
  • 2026-09-25 · added · backfill source

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

Everything about Deaconess Health System

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