Cytometry Specialists
Disclosed Mar 25, 20224 years ago244,850 affectedConfirmed
The covered entity (CE), Cytometry Specialists, Inc. dba CSI Laboratories, reported that an employee was the victim of a phishing attack that compromised the protected health information (PHI) of 244,850 individuals. The PHI involved included names, addresses, dates of birth, and health insurance and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the CE strengthened its administrative and technical safeguards and retrained its staff on email security. OCR provided the CE with technical assistance regarding the HIPAA Breach Notification Rule.
What is known
| People affected | 244,850 (as reported to HHS) |
|---|---|
| Disclosed | Mar 25, 2022 |
| Happened | Jan 18, 2022 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Indiana Attorney General 2022 data breach report: Cytometry Specialistsin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Cytometry Specialists (Healthcare Provider, GA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Mar 25, 2022 | 1 |
| HHS archivetotal | Sep 26, 2022 | 244,850 |
History of this record
- 2026-09-25 · sector: other to health · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · records_basis: organization to hhs · backfill source
- 2026-09-25 · records: 588 to 244850 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Cytometry Specialists, Inc. dba CSI Laboratories, reported that an employee was the victim of a phishing attack that compromised the protected health information (PHI) of 244,850 individuals. The PHI involved includ · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.