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47 disclosed this week · 26,367 on record

Chelan Douglas Health District

Disclosed Mar 15, 2022188,236 affectedConfirmed

Official notice

The covered entity (CE), Chelan Douglas Health District, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 188,236 individuals. The PHI involved included names, dates of birth, drivers’ license numbers, Social Security numbers, claims and financial information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE implemented additional administrative and technical safeguards to better protect its PHI.

What is known

People affected188,236 (as reported to HHS)
DisclosedMar 15, 2022
DiscoveredJul 5, 2021
HappenedJul 2, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 188236by backfillSource
summary2026-09-25
empty to The covered entity (CE), Chelan Douglas Health District, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 188,236 individuals. The PHI involved included names, dates of birth, drivers’ lby backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about Chelan Douglas Health District