Upstream RollCo
Disclosed Apr 22, 20233 years ago748,678 affectedConfirmed
The covered entity (CE), Upstream RollCo reported that multiple employees were the targets of an email phishing incident that affected the protected health information (PHI) of 748,678 individuals. The PHI involved included names, dates of birth, Social Security Numbers, physical addresses, claims information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE implemented additional administrative, technical, and security safeguards.
What is known
| People affected | 748,678 (as reported to HHS) |
|---|---|
| Disclosed | Apr 22, 2023 |
| Discovered | Feb 9, 2023 |
| Happened | Jan 24, 2023 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Upstream RollCooag.ca.gov · Official notice | Official notice |
| Washington Attorney General breach notice: Upstream RollCoatg.wa.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Upstream RollCo (Healthcare Provider, AL)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Apr 22, 2023 | 748,678 |
| California AGresidents of CA | Sep 15, 2023 | |
| Washington AGresidents of WA | Sep 15, 2023 | 14,247 |
History of this record
- 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 748678 · backfill source
- 2026-09-25 · disclosed: 2023-09-15 to 2023-04-22 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Upstream RollCo reported that multiple employees were the targets of an email phishing incident that affected the protected health information (PHI) of 748,678 individuals. The PHI involved included names, dates of · backfill source
- 2026-09-25 · sector: other to health · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · discovered: empty to 2023-02-09 · 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.