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OpenLoop Health

Disclosed Mar 17, 20266 months ago716,000 affectedConfirmed

Official notice

What is known

People affected716,000 (as reported to HHS)
DisclosedMar 17, 2026
DiscoveredJan 7, 2026
HappenedJan 7, 2026
AttackHacking
Data exposedNames, Health, Dates of birth, Addresses
SectorHealthcare · US
StatusConfirmed

Sources

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

Notices filed

WhereFiledPeople
California AGresidents of CAMar 17
HHS OCRtotalMar 17716,000
Texas AGresidents of TXMar 1868,160
Washington AGresidents of WAMar 2719,980
History of this record
  • 2026-09-25 · data_types: ["names","health"] to ["names","health","dob","addresses"] · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · records_basis: empty to hhs · backfill source
  • 2026-09-25 · records: empty to 716000 · backfill source
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · discovered: empty to 2026-01-07 · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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