Golden State Radiation Oncology
ent_de5c0abdf9f2d755462e71c2
Disclosures
2
State AG · HHS OCR · 1 jurisdiction
Incidents
—
no linked incident in sample
Max affected reported
2,130
nationwide · HHS OCR CA
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Golden State Radiation Oncology
- Normalized
- golden state radiation oncology— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (2)newest first
- 🐻California State AGas victim2025-07-15
Golden State Radiation Oncology experienced an email phishing incident resulting in unauthorized access to patient information in a small number of email and SharePoint accounts between December 13, 2024, and December 16, 2024. The organization became aware of the incident on June 13, 2025. Affected data includes names and other patient health information. The company is providing credit monitoring and additional cybersecurity training to staff.
- CALIFORNIAHHS OCRas victim2025-06-27
Golden State Radiation Oncology reported to HHS on 2025-06-27 a Hacking/IT Incident affecting 2130 individuals. Breached information located on Email. A business associate's employees were subject to an email phishing scheme, exposing clinical and demographic PHI. The entity notified HHS, individuals, and media, provided credit monitoring, and implemented additional safeguards.