21st Century Oncology
bd_527c87e1e91d5b94 · schema v1 · pii pii-v1
Full breach record for 21st Century Oncology →21st Century Oncology notified patients that an unauthorized third party accessed a database containing names, SSNs, diagnosis/treatment info, and insurance data. The intrusion occurred on Oct 3, 2015, and was discovered on Nov 13, 2015, after FBI notification. Notification was delayed per FBI request. The company hired forensic investigators and enhanced security protocols. No evidence of medical record access or misuse was found. Affected individuals were offered one year of credit monitoring.
J jump to incidentP pin to compareR raw source
Incident timeline
Oct 3, 2015
Begins
Nov 13, 2015
Discovered
Apr 28, 2016
Filed
vs. sector median
+13 wks slower
Linked disclosures
Why this link?Regulatory filings (7) · sorted by filing gap
- Massachusetts State AGbd_8b2c60608960c1d32016-04-27 · +1dVerified
- Montana State AGbd_f97670eab77986b12016-03-14 · +45dVerified by operator
- Washington State AGbd_231b0f2f48d86b562016-03-04 · +55dVerified
- California State AGbd_71143f2f3db9e0472016-03-04 · +55dVerified
Show 3 more filings ↓Show fewer ↑up to 609d gap
- New Hampshire State AGbd_ed346a8482bd7a842016-03-04 · +55dVerified
- HHS OCRbd_fcbda5a17a2f0c7e2016-03-04 · +55dVerified
- HHS OCR enforcementbd_d54ff290c72ee2482017-12-28 · +609dVerified by operator
Filing propagation · 8 filings · 7 states
View merged incident ↗Pattern: first filing Mar 4 (WA), last Dec 28 — a 664-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.