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21st Century Oncology

bd_8b2c60608960c1d3 · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Apr 27, 2016

To disclose

—

Affected

2state residents only

Linked

8 filings

Confidence

95%
Full breach record for 21st Century Oncology →

21st Century Oncology Inc reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2016-04-27. 2 Massachusetts residents were affected. The report records the breach type as electronic.

Incident timeline — partial

? — ?

Breach window unknown

Apr 27, 2016

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Show 3 more filings ↓up to 610d gap

Filing propagation · 8 filings · 7 states

View merged incident ↗
Washington State AGMar 4 · first
California State AGMar 4 · first
New Hampshire State AGMar 4 · first
HHS OCRMar 4 · first
Montana State AG+10d
Massachusetts State AG+54d · this page
South Carolina State AG+55d
HHS OCR enforcement+664d

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

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.