Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Beverly Hills Oncology Medical Group

Disclosed Oct 31, 202557,655 affectedConfirmed

Official notice

What is known

People affected57,655 (as reported to HHS)
DisclosedOct 31, 2025
HappenedFeb 7, 2025
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Beverly Hills Oncology Medical Group
Official noticeocrportal.hhs.gov
HHS OCR breach report: Beverly Hills Oncology Medical Group (Healthcare Provider, CA)

Notices filed

Residents of CAOct 31, 2025
California AGCount not stated
TotalOct 31, 2025
HHS OCR57,655 people
History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 57655by 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.

Everything about Beverly Hills Oncology Medical Group