UnknownFinancial ServicesFinancePCIFinancial accountLow

Mutual One Bank

bd_a77bb4925aad59c9 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Mar 21, 2024

To disclose

—

Affected

1state residents only

Linked

10 filings

Confidence

95%

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

Mutual One Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-03-21. 1 Massachusetts residents were affected.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Mar 21, 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 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

Massachusetts State AGbd_7c0a3fefc9f672fa2024-03-21Verified by operator
Massachusetts State AGbd_9c94315f37fe660f2024-03-21Candidate
Massachusetts State AGbd_2395e9ddd93c65092024-05-02 · +42dCandidate
Massachusetts State AGbd_684d773240a88aa72024-05-02 · +42dCandidate

Show 5 more filings ↓up to 42d gap

Massachusetts State AGbd_73b63b8344606cd02024-05-02 · +42dVerified by operator
Massachusetts State AGbd_7d3b651d68a397d02024-05-02 · +42dVerified by operator
Massachusetts State AGbd_cbf975cc380eae402024-05-02 · +42dVerified by operator
Massachusetts State AGbd_e6bf7d4bcdcff1ba2024-05-02 · +42dCandidate
Massachusetts State AGbd_f9f5475be81cacdc2024-05-02 · +42dVerified by operator

Name: Mutual One Bank
norm: mutual one bank

Name: Mutual One Bank
norm: mutual one bank
Industry: Financial Servicesregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PCI
Data elements: Payment card number
Stated not affected: Social Security numberMedical informationFinancial 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 · 10 filings

View merged incident ↗

Massachusetts State AGMar 21 · first

Massachusetts State AGMar 21 · first · this page

Massachusetts State AG+42d

Pattern: first filing Mar 21 (MA), last May 2 (MA) — a 42-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: Mar 21, 2024
Raw hash: c08749a9fca10b109108e5131fb65cf75c44fbcff05e97a90486ced1cbca3d9c

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityMutual One Bank

Victim entityMutual One Bank

IncidentUnknown

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov