American Osteopathic Association

Disclosed Oct 13, 202127,485 affectedConfirmed

What is known

People affected	27,485 (as reported by the organization)
Disclosed	Oct 13, 2021
Discovered	Jun 25, 2020
Happened	Jun 25, 2020
Attack	Ransomware
Data exposed	Not stated
Sector	Nonprofit · US
Status	Confirmed

History of this record

records_basis2026-09-25

empty to organizationby backfillSource

records2026-09-25

empty to 27485by backfillSource

attack2026-09-25

unknown to ransomwareby backfillSource

discovered2026-09-25

empty to 2020-06-25by 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.