Leader Bank, National Association — May 2023 breach

Clustered 5 filings across 5 jurisdictions · filing window Aug 30, 2023 → Sep 7, 2023. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

5 filings

States

Affected · reported

4,123

First → last filing

Aug 30, 2023 → Sep 7, 2023

Merge confidence

100%

incident inc_7efbe633f8ea4a34 · merged by human · confidence 100%

Part of the Progress Software Corporation supply-chain incident (2023) — at least 89 organizations filed notifications naming this third party.

Confirmed breach. Merged as one breach: 5 regulatory filings. The filings describe hacking. Intrusion May 26, 2023–May 31, 2023, discovered Aug 3, 2023 — the first regulatory filing landed 27 days later. 4,123 individuals reported across the linked filings. Data reported: PII, Identity (basic), Financial account, and 1 more. Notifications rolled out on a 8-day schedule across 5 filings beginning Aug 30, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

27days

Discovered → first regulatory filing

Discovery variance

0days

Range of discovered_at dates across filings

Filing span

8days

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 · 27dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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