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State AGConfirmed6 filings · 6 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedhigh sensitivity
Merged incident · 6 filings

The Mather Group LLC — June 2023 breach

Clustered 6 filings across 6 jurisdictions · filed Sep 14, 2023. View entity profile → Other incidents for this victim →

Determination

Confirmed

Members

6 filings

States

6

Affected · reported

3,521

First → last filing

Sep 14, 2023

Merge confidence

100%

incident inc_1e0f92eee77f41ea · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 6 regulatory filings. Intrusion Jun 21, 2023, discovered Jun 21, 2023 — the first regulatory filing landed 85 days later (flagged late). 3,521 individuals reported across the linked filings. Data reported: Government ID, Financial account, Identity (basic), and 1 more. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay
85days

Discovered → first regulatory filing

Discovery variance
50days

Range of discovered_at dates across filings

Filing span
0days

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 >45 bdayMaine⏱ ME AG >30d · 35dMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

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The Mather Group LLC data breach (2023) — filings in 6 jurisdictions, September 2023 · DisclosureLens