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Tieu Dental

Disclosed Mar 5, 20266 months ago8,918 affectedConfirmed

Official notice

What is known

People affected8,918 (as reported to HHS)
DisclosedMar 5, 2026
HappenedJul 28, 2025
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Tieu Dentaloag.ca.gov · Official notice
HHS OCR breach report: Tieu Dental (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
California AGresidents of CAMar 5
HHS OCRtotalMar 58,918
History of this record
  • 2026-09-25 · attack: unknown to hacking · 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 8918 · 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.

Everything about Tieu Dental

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