Indiana Hemophilia and Thrombosis Center
Disclosed Mar 4, 20224 years ago4,750 affectedConfirmed
Indiana Hemophilia and Thrombosis Center, the covered entity (CE), reported that several employees were the subjects of an email phishing scheme that compromised the protected health information (PHI) of 4,750 individuals. The PHI involved included names, addresses, birthdates, Social Security and drivers’ license numbers, diagnoses, lab results, and medications. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE provided complimentary credit monitoring services and implemented additional administrative and technical safeguards. Staff were retrained on email security.
What is known
| People affected | 4,750 (as reported to HHS) |
|---|---|
| Disclosed | Mar 4, 2022 |
| Happened | Jan 3, 2022 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Indiana Attorney General 2022 data breach report: Indiana Hemophilia and Thrombosis Centerin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Indiana Hemophilia and Thrombosis Center (Healthcare Provider, IN)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Mar 4, 2022 | 2,504 |
| HHS archivetotal | Mar 4, 2022 | 4,750 |
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: 2575 to 4750 · backfill source
- 2026-09-25 · summary: empty to Indiana Hemophilia and Thrombosis Center, the covered entity (CE), reported that several employees were the subjects of an email phishing scheme that compromised the protected health information (PHI) of 4,750 individuals. The PHI involved · 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.