Social EngineeringPhishingStolen CredentialsCustomer Data InvolvedDelayed DiscoveryPHIHEALTH_BASICIDENTITY_BASICLowContained
Golden State Radiation Oncology
bd_830cd56915571129 · schema v1 · pii pii-v1
Full breach record for Golden State Radiation Oncology →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.
Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident
Source provenance
- Source URL
- https://oag.ca.gov/ecrime/databreach/reports/sb24-605493
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jul 15, 2025
- Raw hash
- 10cee1180bd20e0df5a03ac13a382e5df1434b73c22b310b9c07f59702df36f4
Reporting entity
- Name
- Golden State Radiation Oncologynorm: golden state radiation oncology
Victim entity
- Name
- Golden State Radiation Oncologynorm: golden state radiation oncology
Incident
- Discovered
- Jun 13, 2025
- Materiality determined
- —
- Notification sent
- —
- Affected individuals
- Not disclosed
- Data types
- PHIHEALTH_BASICIDENTITY_BASIC
- Attack vector
- Phishing
- MITRE ATT&CK
- T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
- Threat actor
- External
- Initial access
- phishing_link
Compliance
- Time to disclose
- 5 weeks(32 days from discovery to filing)
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.