AccidentalFinancial ServicesFinanceMisdeliveryCustomer Data InvolvedFinancial accountIdentity (basic)Government IDMediumResolved

Needham Bank

bd_db787eb20c7fbd92 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 5, 2026

Filed

Jul 20, 2026

To disclose

21 weeks

Affected

1state residents only

Confidence

66%

Full breach record for Needham Bank →3 incidents on file

Needham Bank notified Massachusetts residents of an inadvertent email disclosure of 1099 forms to a customer with a similar name. Affected data included names, addresses, SSNs, and account numbers. The bank contacted the recipient to destroy the data and offered two years of credit monitoring.

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Massachusetts clock✗ MA AG >90d21 weeks discovery → filing

Incident timeline

discovery → filing · 24 weeks / 165 days

Feb 5, 2026

Begins

Feb 5, 2026

Discovered

Jul 20, 2026

Filed

vs. sector median

+13 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Needham Bank
norm: needham bank
Domain: needhambank.com
Industry: financial_services

Name: Needham Bank
norm: needham bank
Domain: needhambank.com
Industry: financial_services
Industry: Financial Servicesllm

Discovered: Feb 5, 2026
Breach occurred: Feb 5, 2026
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 8, 2026
Affected individuals: 1state-resident count only
Data types: Financial accountIdentity (basic)Government ID
Attack vector: Unknown
MITRE ATT&CK: T1535 Unauthorized Access of Cloud Storage Object

During the incident: Contacted the customer who received your information and they have destroyed your information
Offering free credit monitoring service to you for up to two (2) years
Addressing our procedures to ensure that all employees follow our procedures going forward
Changes made: Addressing our procedures to ensure that all employees follow our procedures going forward
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(146 days from discovery to filing)
Compliance flags: MA AG >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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/2026-1184-needham-bank/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 20, 2026
Raw hash: 2043a07196e77d5b119263ff2b6f69304327b07fc2a9309717dd4471c81f04a6

Reporting entityNeedham Bank

Victim entityNeedham Bank

Incidentdiscovered Feb 5, 2026

Stated responseContacted the customer who received your information and they have destroyed your information

ComplianceMA AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov