Social EngineeringPhishingStolen CredentialsDelayed DiscoveryCustomer Data InvolvedSupply Chain (3P Vendor)PHIHEALTH_BASICIDENTITY_BASICLowContained
Memorial Radiation Oncology Medical Group
bd_43d7251d7c4d362d · schema v1 · pii pii-v1
Full breach record for Memorial Radiation Oncology Medical Group →Memorial Radiation Oncology Medical Group disclosed an email phishing incident involving a former third-party vendor. Unauthorized parties accessed patient email and SharePoint accounts between December 13-16, 2024. The organization learned of the incident on June 13, 2025. Affected data includes names and other patient information. The company is providing credit monitoring and additional cybersecurity training.
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/sb24-605497
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
- b8bc086d157141d0739aa11fa06cca2aeaabfccdf9dc6a8b28d0352007bebc10
Reporting entity
- Name
- Memorial Radiation Oncology Medical Groupnorm: memorial radiation oncology medical
Victim entity
- Name
- Memorial Radiation Oncology Medical Groupnorm: memorial radiation oncology medical
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
- Third party
- via former third-party vendor
- 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.