Radiation Oncology Network of Southern California, LLC
bd_56f01cc36d0b2f35 · schema v1 · pii pii-v1
Full breach record for Radiation Oncology Network of Southern California, LLC →Radiation Oncology Network of Southern California, LLC reported 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 discovered the incident on June 13, 2025. Affected data includes names and potentially other patient health information. The company is offering credit monitoring and providing additional cybersecurity training to staff.
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Incident timeline
Dec 13, 2024
Begins
Jun 13, 2025
Discovered
Jul 15, 2025
Filed
vs. sector median
6 wks faster
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- Illinois State AGbd_0941942b8c965aa42025-07-01 · +14dCandidate
- HHS OCRbd_11946de73e1db88e2025-06-27 · +18dCandidate
Filing propagation · 3 filings · 2 states
View merged incident ↗Pattern: first filing Jun 27 (CA), last Jul 15 (CA) — a 18-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.