Breachesby GlyphGolden State Radiation Oncology
Disclosed Jun 27, 20252,130 affectedConfirmed
The covered entity (CE), Golden State Radiation Oncology, reported that multiple employees of its business associate (BA) was the subject of an email phishing scheme that affected the protected health information (PHI) of 2,130 individuals. The PHI involved included clinical and demographic information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals and implemented additional administrative, technical, and security safeguards to better protect PHI.
What is known
| People affected | 2,130 (as reported to HHS) |
|---|---|
| Disclosed | Jun 27, 2025 |
| Happened | Dec 13, 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 2130by backfillSource
2025-07-15 to 2025-06-27by backfillSource
empty to The covered entity (CE), Golden State Radiation Oncology, reported that multiple employees of its business associate (BA) was the subject of an email phishing scheme that affected the protected health information (PHI) of 2,130 individuals.by backfillSource
First recordedby backfillSource
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.