UnknownFinancial ServicesFinanceGovernment IDFinancial accountHigh

Santander Holdings U.S.A.

bd_f4d4e89167278c55 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Jun 18, 2024

To disclose

—

Affected

2,644state residents only

Linked

5 filings

Confidence

95%

Full breach record for Santander Holdings U.S.A. →

Santander Holdings U.S.A., Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-06-18. 2,644 Massachusetts residents were affected.

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Massachusetts clock✓ MA credit monitoring due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Jun 18, 2024

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_395d62da97223f3d2024-06-18Verified
Maine State AGbd_404a6d12d74725122024-06-18Candidate
Vermont State AGbd_cdbe61780213854b2024-06-18Verified
New Hampshire State AGbd_e1f35afb20d667a22024-07-03 · +15dVerified

Name: Santander Holdings U.S.A.
norm: santander holdings usa

Name: Santander Holdings U.S.A.
norm: santander holdings usa
Industry: Financial Servicesregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 2,644state-resident count only
Data types: Government IDFinancial account
Data elements: Social Security numberFinancial account number
Stated not affected: Medical informationDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: MA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGJun 18 · first

Maine State AGJun 18 · first

Vermont State AGJun 18 · first

Massachusetts State AGJun 18 · first · this page

New Hampshire State AG+15d

Pattern: first filing Jun 18 (IN), last Jul 3 (NH) — a 15-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

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

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.mass.gov/doc/data-breach-report-2024/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 18, 2024
Raw hash: 5dab1a70a3d660050c9a00ea601c15932e54d27420046143944c44162228f644

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entitySantander Holdings U.S.A.

Victim entitySantander Holdings U.S.A.

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov