JPMorgan Chase, Bank of America and TD Bank Issue Data Breach Alerts, Say Critical Information on Several Customers Compromised

JPMorgan Chase, Bank of America and TD Bank are disclosing data breaches that are placing some customers’ accounts and personal information at risk.

In new filings with the Massachusetts state government, Chase says at least four customers in the state are affected by multiple breaches.

In two incidents, Chase says employees improperly accessed customers’ credit and debit card information and triggered fraudulent transactions, prompting the bank to close the affected cards, issue replacements, and reimburse the customers.

In the other two incidents, the bank says it mistakenly posted transaction details, including names, addresses, account numbers, and transaction amounts, to other customers’ accounts. At this point, no misuse due to those errors has been detected.

Meanwhile, Bank of America says documentation relating to at least one customer’s

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