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Regulator-posted notice

Breach notice filed by Trillium Community Health Plan (March 2021)

Organization named: Trillium Community Health Plan Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) with a submission date of March 3, 2021.

Organization as reported
Trillium Community Health Plan, OR
Entity type as reported
Health Plan
Category as reported
Hacking/IT Incident
Location of information as reported
Network Server
Submission date
March 3, 2021
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 12316, row:3455)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), Trillium Community Health Plan, reported that its business associate (BA) experienced a cyber-attack that affected the electronic protected health information (ePHI) of 87,761 individuals. The ePHI involved included names, addresses, dates of birth, health insurance information, diagnoses, medications prescribed, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. Following the breach, the CE provided complimentary identity protection services to affected individuals and terminated its contract with the BA.

The source's own words, from the revision above.

Figures, per source

  • 87,761 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date March 3, 2021, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
  • Observed by BreachRecords (revision 12316)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Trillium Community Health Plan Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

  • 3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
    text/csv, 5,530,996 bytes, from the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), retrieved 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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