Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Arbor Associates

Disclosed Jul 3, 202517,040 affectedConfirmed

Official notice

What is known

People affected17,040 (as reported to HHS)
DisclosedJul 3, 2025
DiscoveredApr 17, 2025
HappenedApr 15, 2025
AttackRansomware
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Arbor Associates
Official noticeatg.wa.gov
Washington Attorney General breach notice: Arbor Associates
Official noticejustice.oregon.gov
Oregon DOJ breach notice: Arbor Associates
Official noticeocrportal.hhs.gov
HHS OCR breach report: Arbor Associates (Business Associate, MI)
Official noticeago.vermont.gov
Vermont Attorney General: 2025-07-17 Arbor Associates Data Breach Notice to Consumers

Notices filed

Residents of CAJul 3, 2025
California AGCount not stated
Residents of WAJul 3, 2025
Washington AG9,005 people
TotalJul 3, 2025
HHS OCR17,040 people
Residents of ORJul 17, 2025
Oregon DOJ46,081 people
Residents of VTJul 17, 2025
Vermont AGCount not stated
Residents of CAAug 8, 2025
California AGCount not stated
History of this record
source2026-09-25
empty to https://ago.vermont.gov/document/2025-07-17-arbor-associates-data-breach-notice-consumersby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 17040by backfillSource
sector2026-09-25
other to healthby backfillSource
attack2026-09-25
unknown to ransomwareby backfillSource
discovered2026-09-25
empty to 2025-04-17by backfillSource
disclosed2026-09-25
2025-08-08 to 2025-07-03by 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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