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Leak SiteHHS OCRState AGConfirmed7 filings · 5 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedhigh sensitivity
Merged incident · 7 filings

Blackstone Valley Community Health Care — November 2023 breach

Clustered 7 filings across 6 jurisdictions · filing window Nov 11, 2023 → Apr 23, 2024. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

7 filings

States

5

Affected · reported

34,518

First → last filing

Nov 11, 2023 → Apr 23, 2024

Merge confidence

100%

incident inc_b31618d9022243da · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 5 regulatory filings and 2 unverified claims. The filings describe unauthorized access. Intrusion Nov 10, 2023–Nov 11, 2023, discovered Nov 11, 2023 — the first regulatory filing landed 159 days later (flagged late). 34,518 individuals reported across the linked filings. Data reported: Government ID, PHI, Health (basic), and 1 more. Notifications rolled out on a 164-day schedule across 5 filings beginning Nov 11, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay
159days

Discovered → first regulatory filing

Discovery variance
121days

Range of discovered_at dates across filings

Leak precedence
159days 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
164days

Time between earliest and latest filing

Not recorded for this incident

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

Regulatory clocksVermont✗ VT AG >45 bdayLeak gap⏱ Leak >90dMaine⏱ ME AG >30d · 39dFull clock table in Litigation Timeline

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Blackstone Valley Community Health Care data breach (2023) · DisclosureLens