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47 disclosed this week · 26,367 on record

Seneca Family of Agencies

Disclosed Oct 26, 202127,309 affectedConfirmed

Official notice

The covered entity (CE), Seneca Family of Agencies, experienced a cyber-attack affecting the protected health information (PHI) of 1,528 individuals. The PHI involved included names, dates of birth, Social Security numbers, addresses, phone numbers, email addresses, medical record numbers, diagnoses, health insurance information, prescription information, drivers’ license/state identification numbers, 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 services and implemented additional administrative and technical safeguards.

What is known

People affected27,309 (as reported to HHS)
DisclosedOct 26, 2021
DiscoveredAug 27, 2021
HappenedAug 25, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
records_basis2026-09-25
organization to hhsby backfillSource
records2026-09-25
25610 to 27309by backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
summary2026-09-25
empty to The covered entity (CE), Seneca Family of Agencies, experienced a cyber-attack affecting the protected health information (PHI) of 1,528 individuals. The PHI involved included names, dates of birth, Social Security numbers, addresses, phoneby backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 25610by backfillSource
sector2026-09-25
other to healthby backfillSource
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2021-08-27by backfillSource
disclosed2026-09-25
2021-11-05 to 2021-10-26by backfillSource
disclosed2026-09-25
2021-11-19 to 2021-11-05by backfillSource
disclosed2026-09-25
2021-12-06 to 2021-11-19by backfillSource
disclosed2026-09-25
2022-01-21 to 2021-12-06by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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