HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedFinancial accountFinancial credentialsPCILowContained

MutualOne Bank

bd_e77d24496cd46062 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Jan 5, 2026

To disclose

—

Affected

Not disclosed

Confidence

68%

Full breach record for MutualOne Bank →69 incidents on file

MutualOne Bank notified a Massachusetts customer of fraudulent debit card transactions. The bank credited the account and issued a replacement card. The notice advises the customer to monitor statements, place fraud alerts, and consider a security freeze. No specific breach dates or total affected counts are provided in this individual notification.

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Incident timeline — partial

? — ?

Breach window unknown

Jan 5, 2026

Filed

—

No filing yet · watching

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed7 affectedView incident

Name: MutualOne Bank
norm: mutualone bank
Domain: mutualone.mymortgage-online.com

Name: MutualOne Bank
norm: mutualone bank
Domain: mutualone.mymortgage-online.com
Industry: Financial Servicesllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Financial accountFinancial credentialsPCI
Attack vector: Unknown
Threat actor: ExternalFinancial

During the incident: Credited your account
Issued a replacement debit card with a new card number at no cost
Source: Quoted from the filing itself, not independently verified.

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

Status: No extraction artifact recorded for this disclosure.

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/2026-9-mutual-one-dec-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 5, 2026
Raw hash: 1f0156fa6c6b8248d3bd390670111a34fbe0fb1b9e19d452600962fcef1ad1ad

Reporting entityMutualOne Bank

Victim entityMutualOne Bank

IncidentUnknown

Stated responseCredited your account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov