Every public data breach

44 disclosed this week · 26,355 on record

Dallas County

Disclosed Apr 14, 2023201,404 affectedConfirmed

Official notice

The covered entity (CE), Dallas County, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 201,404 individuals. The PHI involved included clinical, demographic, and financial information. The CE notified HHS, the affected individuals and HHS. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI.

What is known

People affected201,404 (as reported by the organization)
DisclosedApr 14, 2023
HappenedOct 16, 2023
AttackHacking
Data exposedNamesHealth
SectorGovernment · US
StatusConfirmed

Sources

Notices filed

History of this record
disclosed2026-09-25
2023-12-18 to 2023-04-14by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
disclosed2026-09-25
2024-07-10 to 2023-12-18by backfillSource
summary2026-09-25
empty to The covered entity (CE), Dallas County, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 201,404 individuals. The PHI involved included clinical, demographic, and financial informatiby backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 201404by backfillSource
occurred2026-09-25
empty to 2023-10-16by 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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