Breachesby GlyphPomona Valley Hospital Medical Center
Disclosed Mar 20, 202413,516 affectedConfirmed
The covered entity (CE), Pomona Valley Hospital Medical Center, reported that its business associate (BA) experienced a cybersecurity incident that affected the protected health information (PHI) of 13,516 individuals. The PHI involved included names, dates of birth, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional administrative and technical safeguards. The CE also discontinued its business relationship with the BA.
What is known
| People affected | 13,516 (as reported to HHS) |
|---|---|
| Disclosed | Mar 20, 2024 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
unknown to hackingby backfillSource
[] to ["names","health"]by backfillSource
empty to hhsby backfillSource
empty to 13516by backfillSource
2024-03-22 to 2024-03-20by backfillSource
empty to The covered entity (CE), Pomona Valley Hospital Medical Center, reported that its business associate (BA) experienced a cybersecurity incident that affected the protected health information (PHI) of 13,516 individuals. The PHI involved inclby backfillSource
First recordedby backfillSource
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.