EISNER ADVISORY GROUP LLC — September 2023 breach

Clustered 12 filings across 12 jurisdictions · filing window Apr 1, 2025 → Apr 8, 2025. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

12 filings

States

Affected · reported

84,795

First → last filing

Apr 1, 2025 → Apr 8, 2025

Merge confidence

100%

incident inc_3ee51e267e354e0d · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 12 regulatory filings. Intrusion Sep 4, 2023–Sep 9, 2023, discovered Sep 1, 2023 — the first regulatory filing landed 578 days later (flagged late). 84,795 individuals reported across the linked filings. Data reported: Government ID, Financial account, Health (basic), and 3 more. Notifications rolled out on a 7-day schedule across 12 filings beginning Apr 1, 2025. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

578days

Discovered → first regulatory filing

Discovery variance

8days

Range of discovered_at dates across filings

Filing span

7days

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 clocksWashington✗ WA AG >90dCalifornia✗ CA 60-day late · 585dVermont✗ VT AG >45 bdayMaine✗ ME AG >90d · 577dIowa✓ IA AG ≤5 bdayMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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