Every public data breach

47 disclosed this week · 26,367 on record

Evergreen Treatment Services

Disclosed Feb 10, 202321,325 affectedConfirmed

Official notice

Evergreen Treatment Services, the covered entity (CE), reported that its computer system was breached by ransomware that compromised the protected health information (PHI) of 21,325 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE provided complimentary credit monitoring and identity theft protection services and strengthened its administrative and technical safeguards. Staff were retrained.

What is known

People affected21,325 (as reported to HHS)
DisclosedFeb 10, 2023
DiscoveredDec 12, 2022
HappenedDec 12, 2022
AttackRansomware
Data exposedNamesHealth
SectorNonprofit · US
StatusConfirmed

Sources

Notices filed

History of this record
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
organization to hhsby backfillSource
records2026-09-25
20194 to 21325by backfillSource
disclosed2026-09-25
2023-02-13 to 2023-02-10by backfillSource
summary2026-09-25
empty to Evergreen Treatment Services, the covered entity (CE), reported that its computer system was breached by ransomware that compromised the protected health information (PHI) of 21,325 individuals. The PHI involved included names, addresses, dby backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 20194by 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.

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