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Breaches.

TriWest Healthcare Alliance

Disclosed Mar 1, 201115 years ago4,500 affectedConfirmed

Official notice

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What is known

People affected4,500 (as reported to HHS)
DisclosedMar 1, 2011
AttackInsider
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): TriWest Healthcare Alliance (Business Associate, AZ)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalMar 1, 20114,500

Other breaches at TriWest Healthcare Alliance

BreachAffected
Disclosed Jul 2, 2026Jul 22 months ago12K
History of this record
  • 2026-09-25 · added · backfill source

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

Everything about TriWest Healthcare Alliance

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