21st Century Oncology
bd_8b2c60608960c1d3 · schema v1 · pii pii-v2
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.
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Incident timeline — partial
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Breach window unknown
Apr 27, 2016
Filed
No interval is drawn: no breach start or discovery date is on record for this filing.
Linked disclosures
Why this link?Regulatory filings (6) · sorted by filing gap
- South Carolina State AGbd_527c87e1e91d5b942016-04-28 · +1dVerified
- Montana State AGbd_f97670eab77986b12016-03-14 · +44dVerified by operator
- Washington State AGbd_231b0f2f48d86b562016-03-04 · +54dVerified
- California State AGbd_71143f2f3db9e0472016-03-04 · +54dVerified
Show 2 more filings ↓Show fewer ↑up to 54d gap
- New Hampshire State AGbd_ed346a8482bd7a842016-03-04 · +54dVerified
- HHS OCRbd_fcbda5a17a2f0c7e2016-03-04 · +54dVerified
Enforcement records (1)
- HHS OCR enforcementbd_d54ff290c72ee2482017-12-28 · +610dVerified by operator
Filing propagation · 7 filings · 7 states
View merged incident ↗Pattern: first filing Mar 4 (WA), last Apr 28 (SC) — a 55-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.