GERSON LEHRMAN GROUP, INC. — November 2023 breach

Clustered 10 filings across 10 jurisdictions · filing window Mar 12, 2024 → Mar 13, 2024. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

10 filings

States

Affected · reported

152,621

First → last filing

Mar 12, 2024 → Mar 13, 2024

Merge confidence

100%

incident inc_5664f6128d3d4a3f · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 10 regulatory filings. Intrusion Nov 12, 2023–Nov 13, 2023, discovered Nov 12, 2023 — the first regulatory filing landed 121 days later (flagged late). 152,621 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), PII, and 1 more. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

121days

Discovered → first regulatory filing

Discovery variance

85days

Range of discovered_at dates across filings

Filing span

1days

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 >90dMaine⏱ ME AG >30d · 36dOregon✓ OR AG ≤45dSouth Carolina✓ SC CRA notice dueMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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