Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

OpenLoop Health

Disclosed Mar 17, 2026716,000 affectedConfirmed

Official notice

What is known

People affected716,000 (as reported to HHS)
DisclosedMar 17, 2026
DiscoveredJan 7, 2026
HappenedJan 7, 2026
AttackHacking
Data exposedNamesHealthDates of birthAddresses
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: OpenLoop Health
Official noticeatg.wa.gov
Washington Attorney General breach notice: OpenLoop Health
Official noticeocrportal.hhs.gov
HHS OCR breach report: OpenLoop Health (Business Associate, IA)
Official noticeoag.my.site.com
Texas Attorney General data security breach report BR-0004918: OpenLoop Health

Notices filed

Residents of CAMar 17
California AGCount not stated
TotalMar 17
HHS OCR716,000 people
Residents of TXMar 18
Texas AG68,160 people
Residents of WAMar 27
Washington AG19,980 people
History of this record
data_types2026-09-25
["names","health"] to ["names","health","dob","addresses"]by backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 716000by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2026-01-07by 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 OpenLoop Health