Hudson River Partners I L.P. — September 2025 breach

Clustered 11 filings across 10 jurisdictions · filing window Oct 31, 2025 → Nov 5, 2025. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

11 filings

States

Affected · reported

33,053

First → last filing

Oct 31, 2025 → Nov 5, 2025

Merge confidence

100%

incident inc_48ac214ec174472c · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 11 regulatory filings. The filings describe unauthorized access. Intrusion Sep 19, 2025–Sep 19, 2025, discovered Sep 19, 2025 — the first regulatory filing landed 42 days later. 33,053 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and PII. Notifications rolled out on a 5-day schedule across 11 filings beginning Oct 31, 2025. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

42days

Discovered → first regulatory filing

Discovery variance

28days

Range of discovered_at dates across filings

Filing span

5days

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 clocksVermont⏱ VT AG >14 bdayMaine✓ ME AG ≤30d · 17dCalifornia✓ CA 60-day OK · 42dTexas✓ TX AG ≤30dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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