Main Street Bank

bd_4fed9b3bd1a49d03 · schema v1 · pii pii-v1

Main Street Bank notified Massachusetts customers of a suspected data compromise involving a merchant's payment card environment. The incident occurred between November 1, 2025, and December 31, 2025. Customer card data (names, numbers, expiration dates) may have been compromised, but no SSNs or bank account numbers were retrieved. Bank systems were not directly compromised; the breach originated from a third-party merchant. Customers were offered new debit cards.

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