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State AGConfirmed4 filings · 1 stateLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedmoderate sensitivity
Merged incident · 4 filings

Eastern Bank

Clustered 4 filings across 1 jurisdiction · filing window May 13, 2026 → Aug 6, 2026. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

4 filings

States

1

Affected · reported

not comparable

First → last filing

May 13, 2026 → Aug 6, 2026

Merge confidence

100%

incident inc_13c42eaded0e4f0a · merged by llm · confidence 100%

Confirmed breach. Merged as one breach: 4 regulatory filings. The filings describe a third-party compromise. Data reported: Financial account and PCI. Notifications rolled out on a 85-day schedule across 4 filings beginning May 13, 2026. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Filing span
85days

Time between earliest and latest filing

Not recorded for this incident

Discovery variance · Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster; needs two dated filings.

Incident timeline

? — ?breach window unknown
May 13, 2026first filing
Aug 6, 2026most recent filing

No discovery date is recorded on any filing in this cluster, so the notification delay is not computable. Dashed segments fill in as filings merge.

Member cascade — every filing about this breach

  1. MAY 13MA AGMA AG noticefirst filing · 45 MA residentsday 0
  2. JUN 30MA AGMA AG notice139 MA residents+48d
  3. JUL 24MA AGMA AG notice326 MA residents+72d
  4. AUG 6MA AGMA AG noticemost recent · 243 MA residents+85d
  5. Watching for additional filings — new sources merge into this incident automatically.

Roll-up facts — reconciled across members

Breach window
—
Discovered
—
Data types
Financial account · PCI
MA AG
Attack vector
Third-Party / Supply Chain
MA AG

Each fact cites the member filing that establishes it; when filings conflict, every value shows with its source.

Evidence ladder — rungs this incident occupies

Leak-site claim

No leak-site claim on record for this incident.

Press / market report

No press coverage linked yet.

State AG / regulator filing4 members

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

No SEC filing or victim statement yet.

Merge provenance

Method
llm
Confidence
1.00 · above the 0.85 auto-merge floor
Audit
Every link edge records its method, confidence and model + prompt versions (100% is the strongest edge).

Merges are reversible — a wrong link can be detached with its audit trail intact. How merging works.

Filing velocity

Spread

85 days

Cadence

~1 / 28.3d

vs. multi-state median

10.6× slower

About this clustering

DisclosureLens links filings into incidents through layered matchers: deterministic rules (same source document, multistate filings of one breach, tight-window same-victim pairs), a weighted-similarity scorer for cross-source candidates, and an operator review queue for everything uncertain. Each link records its own method and confidence — shown per filing in the timeline below. The system defaults to NOT merging when uncertain, because a false merge (collapsing two unrelated breaches) is more harmful than a false split (showing related filings separately); uncertain pairs route to human review instead of auto-merging. This page states only what the linked filings agree on; each filing's own account stays on its own record, linked from the timeline below.

The weekly clock on records like this one

The Disclosure Clock is a weekly briefing on what landed in the disclosure record, and the gap between the criminals' post and the regulator's filing — measured on the whole record, with the method shown.

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