UnknownPCIFinancial accountLow

Mutual One Bank

bd_814fc1900d053baf · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Sep 29, 2023

To disclose

—

Affected

1state residents only

Linked

7 filings

Confidence

95%

Full breach record for Mutual One Bank →373 incidents on file

Mutual One reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-09-29. 1 Massachusetts residents were affected. The report records the breach type as electronic.

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Incident timeline — partial

? — ?

Breach window unknown

Sep 29, 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 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Massachusetts State AGbd_01d566fabb1388852023-09-29Verified by operator
Massachusetts State AGbd_7a87573e06d041ba2023-09-29Verified by operator
Massachusetts State AGbd_8080c22ea560c9792023-09-29Verified by operator
Massachusetts State AGbd_a7bfcbf24d1db7822023-09-29Verified by operator

Show 2 more filings ↓up to 1d gap

Massachusetts State AGbd_c119df1eb65b49aa2023-09-29Verified by operator
Massachusetts State AGbd_3bdf0e8fda88baec2023-09-28 · +1dVerified by operator

Name: Mutual Union
norm: mutual union
Domain: mutualclubunion.com.ar

Name: Mutual One Bank
norm: mutual one bank

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PCI
Data elements: Payment card number
Stated not affected: Social Security numberFinancial account numberDriver's licence number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings

View merged incident ↗

Massachusetts State AGSep 28 · first

Massachusetts State AG+1d

Massachusetts State AG+1d · this page

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: Sep 29, 2023
Raw hash: bbe2144880310a315f7454c1ba4bcb7e1d0c99f4be14227ef0d38c1c59f3f692

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMutual Union

Victim entityMutual One Bank

IncidentUnknown

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov