North Kansas City Hospital
Disclosed Jan 3, 20242 years ago502,438 affectedConfirmed
The covered entity (CE), North Kansas City Hospital, reported that its business associate (BA) experienced a cyber-attack that affected the protected health information (PHI) of 502,438 individuals. The PHI involved included names, dates of birth, addresses, claims information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE terminated its business relationship with the BA and implemented additional administrative safeguards to better protect PHI.
What is known
| People affected | 502,438 (as reported to HHS) |
|---|---|
| Disclosed | Jan 3, 2024 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Vermont Attorney General: 2024-01-03 North Kansas City Hospital Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): North Kansas City Hospital (Healthcare Provider, MO)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Vermont AGresidents of VT | Jan 3, 2024 | |
| HHS archivetotal | Jan 3, 2024 | 502,438 |
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 502438 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), North Kansas City Hospital, reported that its business associate (BA) experienced a cyber-attack that affected the protected health information (PHI) of 502,438 individuals. The PHI involved included names, dates of · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Vermont AG), confirmed by Vermont AG. Record counts are as reported. Not legal advice.