UnknownFinancial ServicesFinancePCIFinancial accountLow

Watertown Savings Bank

bd_b6e2c40555e485c0 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Jan 6, 2025

To disclose

—

Affected

16state residents only

Confidence

95%

Full breach record for Watertown Savings Bank →137 incidents on file

Watertown Savings Bank reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-01-06. 16 Massachusetts residents were affected.

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Incident timeline — partial

? — ?

Breach window unknown

Jan 6, 2025

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.Confirmed16 affectedView incident

Name: Watertown Savings Bank
norm: watertown savings bank

Name: Watertown Savings Bank
norm: watertown savings bank
Industry: Financial Servicesregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 16state-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
Threat actor: External

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/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 6, 2025
Raw hash: ed3b15e75e290cba673691eb446b42ffeb059dd24cbfac256ac30649a4cdac77

Reporting entityWatertown Savings Bank

Victim entityWatertown Savings Bank

IncidentUnknown

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov