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Leak SiteHHS OCRState AGConfirmed6 filings · 3 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedworldleakshigh sensitivity
Merged incident · 6 filings

Deaconess Health System — December 2025 breach

Clustered 6 filings across 4 jurisdictions · filing window Jan 7, 2026 → Aug 7, 2026. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

6 filings

States

3

Affected · reported

203,874

First → last filing

Jan 7, 2026 → Aug 7, 2026

Merge confidence

100%

incident inc_6455cd18f5bf455a · merged by human · confidence 100%

Confirmed breach. Merged as one breach: 4 regulatory filings and 2 unverified claims. The filing describes unauthorized access. Intrusion Dec 2, 2025–Dec 18, 2025, discovered Feb 2, 2026 — the first regulatory filing landed 27 days later (flagged late). 203,874 individuals reported across the linked filings. Data reported: Government ID, Health (basic), Financial account, and 2 more. Notifications rolled out on a 212-day schedule across 4 filings beginning Jan 7, 2026. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Notification delay
27days

Discovered → first regulatory filing

Discovery variance
144days

Range of discovered_at dates across filings

Leak precedence
53days before filing

Days between the first leak-site claim and the first regulatory filing. Positive = the claim came first (public exposure before disclosure). Negative = the claim trailed the filing, so there was no pre-disclosure leak. Counts regulatory filings only — press coverage is not a regulatory disclosure.

Filing span
212days

Time between earliest and latest filing

Not recorded for this incident

Materiality delta · SEC filing delay — no SEC 8-K in this cluster.

Regulatory clocksLeak gap✗ Leak >180dFull clock table in Litigation Timeline

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Deaconess Health System data breach (2026) · DisclosureLens