Northern Light Health
Disclosed Aug 3, 20206 years ago304,399 affectedConfirmed
The covered entity (CE), Northern Light Health, reported that its business associate experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 304,399 individuals. The ePHI involved included names, addresses, and dates of birth. The CE notified HHS, affected individuals, the media, and provided substitute notice.
What is known
| People affected | 304,399 (as reported to HHS) |
|---|---|
| Disclosed | Aug 3, 2020 |
| Happened | May 14, 2020 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Northern Light Healthoag.ca.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Northern Light Health (Business Associate, ME)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Aug 3, 2020 | 304,399 |
| California AGresidents of CA | Sep 14, 2020 |
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 304399 · backfill source
- 2026-09-25 · disclosed: 2020-09-14 to 2020-08-03 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Northern Light Health, reported that its business associate experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 304,399 individuals. The ePHI involved includ · 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.