UnknownGovernment IDFinancial accountMedium

Sunflower Bank, National Association

bd_57054109e6719b1e · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Aug 22, 2023

To disclose

—

Affected

75state residents only

Linked

8 filings

Confidence

95%

Full breach record for Sunflower Bank, National Association →

Sunflower Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-08-22. 75 Massachusetts residents were affected. The report records the breach type as electronic.

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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

Aug 22, 2023

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 8 about the same incident.View merged incident

Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

California State AGbd_895de35e1cea98f02023-08-15 · +7dVerified
Montana State AGbd_b791064e55b0bfd82023-08-15 · +7dVerified
New Hampshire State AGbd_ef42af6291b75a202023-08-15 · +7dVerified
Indiana State AGbd_791c96ad5aceed032023-08-14 · +8dVerified

Show 3 more filings ↓up to 43d gap

SEC 8-Kbd_d36ee2ad177829e82023-07-14 · +39dVerified
New Hampshire State AGbd_46ae3c2793a327922023-10-02 · +41dVerified
California State AGbd_fea17e438a10a5c62023-10-04 · +43dVerified

Name: Sunflower Bank, National Association
norm: sunflower bank national

Name: Sunflower Bank, National Association
norm: sunflower bank national

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 75state-resident count only
Data types: Government IDFinancial account
Data elements: Social Security numberFinancial account number
Stated not affected: Driver'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 · 8 filings · 5 states

View merged incident ↗

SEC 8-KJul 14 · first

Indiana State AG+31d

California State AG+32d

Montana State AG+32d

New Hampshire State AG+32d

Massachusetts State AG+39d · this page

New Hampshire State AG+80d

California State AG+82d

Pattern: first filing Jul 14, last Oct 4 (CA) — a 82-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-2023/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 22, 2023
Raw hash: 980bf03f0693678236ef49918d6e76d4639752b7c812402e28d205ebcc0248da

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entitySunflower Bank, National Association

Victim entitySunflower Bank, National Association

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov