Trillium Community Health Plan
Disclosed Mar 3, 202187,761 affectedConfirmed
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.
What is known
| People affected | 87,761 (as reported to HHS) |
|---|---|
| Disclosed | Mar 3, 2021 |
| Discovered | Sep 17, 2021 |
| Happened | Mar 4, 2021 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
First seen 2026-09-25 (Oregon DOJ), confirmed by Oregon DOJ. Record counts are as reported. Not legal advice.