M&T Bank

M&T Bank notified Massachusetts OCABR on Apr 17, 2026 of a data breach affecting 462 Massachusetts residents. Data exposed: Social Security number, Financial / bank account.

Organization: M&T Bank
Source: Massachusetts OCABR · source record
Date reported: Apr 17, 2026
Date(s) of breach: Not stated
Residents affected: 462 (Massachusetts residents)
Data exposed: Social Security number Financial / bank account
Notice letter: Not available
First seen by BreachTally: 2026-10-30 19:57 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Information compromised, as listed

Organization type: Banks & Credit Unions. Breached: Social Security numbers, financial account numbers, credit or debit card numbers.

Other filings by M&T Bank

Organization	Source	State	Reported	Residents affected	Data exposed
M&T Bank	Massachusetts OCABR	MA	Jul 17, 2026	1	Financial / bank account

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.