Eastern Bank

Eastern Bank notified Massachusetts customers via state-agency filing dated 2026-12-15 regarding a breach at a third-party merchant accepting Eastern Bank Debit MasterCard BusinessCards. The bank issued notices on 2026-07-24, lowering card limits to $500 and mailing replacement cards. Specific details of the merchant breach were not provided by the third party. Financial account data (card numbers) was potentially compromised.

Eastern Bank notified Massachusetts customers that a merchant accepting Eastern Bank Debit MasterCard BusinessCards experienced a security breach. The bank is proactively issuing new cards and lowering limits to $500 for affected accounts. No specific details about the merchant or the nature of the breach were provided by the third party.

Eastern Bank notified Massachusetts customers on May 13, 2026, that a merchant accepting Eastern Bank Debit MasterCard BusinessCards experienced a security breach. The bank could not obtain details from the merchant. Eastern Bank took proactive measures including lowering card limits to $500 and issuing new debit cards to affected customers. Customers were instructed to activate new cards, destroy old ones, and monitor accounts for suspicious activity. No specific data types or counts were disclosed.

New Hampshire Attorney General received notification from Eastern Bank regarding a carjacking of a third-party courier service on April 5, 2016. Stolen courier bags contained documentation with personal information of one New Hampshire-based business accountholder, including names, addresses, bank account numbers, and routing numbers. No evidence of misuse was found as of May 23, 2016.