Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

CallonDoc

Disclosed Sep 17, 2026Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedSep 17, 2026
DiscoveredDec 28, 2025
HappenedDec 22, 2025
AttackRansomware
Data exposedNot stated
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: CallonDoc
Official noticeatg.wa.gov
Washington Attorney General breach notice: CallonDoc

Notices filed

Residents of CASep 17
California AGCount not stated
Residents of WASep 17
Washington AG12,186 people
History of this record
sector2026-10-27
other to healthby dailySource
attack2026-10-27
unknown to ransomwareby dailySource
discovered2026-10-27
empty to 2025-12-28by dailySource
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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