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Confirmed3 filings · 3 statesUnverified claimConfirmedEnforcedmoderate sensitivity

Merged incident · 3 filings

DAVITA INC. — November 2017 breach

Clustered 3 filings across 3 jurisdictions · filed Jul 3, 2024. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

3 filings

States

Affected · reported

67,443

First → last filing

Jul 3, 2024

Merge confidence

100%

incident inc_94477b50f75247ed · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 3 regulatory filings. The filings describe an accidental exposure. Intrusion Nov 20, 2017–Dec 14, 2023, discovered Jun 17, 2024 — the first regulatory filing landed 16 days later. 67,443 individuals reported across the linked filings. Data reported: PHI, Health (basic), Identity (basic), and 4 more. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

16days

Discovered → first regulatory filing

Discovery variance

0days

Range of discovered_at dates across filings

Filing span

0days

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 clocksOregon✓ OR AG ≤45dHIPAA✓ HHS notifiedCalifornia✓ CA 60-day OK · 15dFull clock table in Litigation Timeline

Incident timeline

Nov 20, 2017breach begins

Jun 17, 2024discovered

notification delay · 16 days

Jul 3, 2024first filing

—watching for filings

Dashed segments are unestablished, not zero — they fill in as filings merge into this incident.

Member cascade — every filing about this breach

JUL 3OR AGOR AG noticefirst filing · no count statedauto-linkedday 0
JUL 3HHS OCRHHS OCR noticestates nationwide total 67,443auto-linkedday 0
JUL 3CA AGCA AG noticemost recent · no count statedauto-linkedday 0
Watching for additional filings — new sources merge into this incident automatically.

Roll-up facts — reconciled across members

Breach window: Nov 20, 2017 – Dec 14, 2023
Discovered: Jun 17, 2024· 2401d undetected
Data types: Employment · Health (basic) · Identity (basic) · Location · Metadata · PHI · PII
Attack vector: Unauthorized Access

Each fact cites the member filing that establishes it; when filings conflict, every value shows with its source.

Evidence ladder — rungs this incident occupies

Leak-site claim

No leak-site claim on record for this incident.

Press / market report

No press coverage linked yet.

State AG / regulator filing3 members

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

SEC 8-K / victim statement

No SEC filing or victim statement yet.

Merge provenance

Method: deterministic
Confidence: 1.00 · above the 0.85 auto-merge floor
Reviewed: operator-confirmed · at least one link edge was human-adjudicated
Audit: Every link edge records its method, confidence and model + prompt versions (100% is the strongest edge).

Merges are reversible — a wrong link can be detached with its audit trail intact. How merging works.

Filing velocity

Spread

0 days

Cadence

~1 / 0d

vs. multi-state median

20.0× faster

About this clustering

DisclosureLens links filings into incidents through layered matchers: deterministic rules (same source document, multistate filings of one breach, tight-window same-victim pairs), a weighted-similarity scorer for cross-source candidates, and an operator review queue for everything uncertain. Each link records its own method and confidence — shown per filing in the timeline below. The system defaults to NOT merging when uncertain, because a false merge (collapsing two unrelated breaches) is more harmful than a false split (showing related filings separately); uncertain pairs route to human review instead of auto-merging. This page states only what the linked filings agree on; each filing's own account stays on its own record, linked from the timeline below.

The weekly clock on records like this one

The Disclosure Clock is a weekly briefing on what landed in the disclosure record, and the gap between the criminals' post and the regulator's filing — measured on the whole record, with the method shown.

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