21st Century Oncology — October 2015 breach

Clustered 8 records across 8 jurisdictions: 7 filings and 1 enforcement record · filing window Mar 4, 2016 → Apr 28, 2016. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Enforced

Members

8 records

States

Affected · reported

2,213,597

First → last filing

Mar 4, 2016 → Apr 28, 2016

Merge confidence

100%

incident inc_ab6003507d754bd0 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 7 regulatory filings and 1 enforcement record. The filings describe unauthorized access. Intrusion Oct 3, 2015, discovered Oct 3, 2015 — the first regulatory filing landed 153 days later (flagged late). 2,213,597 individuals reported across the linked filings. Data reported: Government ID, Financial account, Health (basic), and 3 more. Notifications rolled out on a 55-day schedule across 7 filings beginning Mar 4, 2016. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

153days

Discovered → first regulatory filing

Discovery variance

41days

Range of discovered_at dates across filings

Filing span

55days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksHIPAA✗ HHS report late · 153dSouth Carolina✓ SC CRA notice dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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