American banking giant JPMorgan Chase has revealed that that a recent cyber attack compromised customer information for about 76 million households and 7 million small businesses.

Contact information, including name, address, phone number and e-mail address, as well as internal JPMorgan Chase information about the users, was compromised, the bank revealed in a filing with the Securities and Exchange Commission (SEC).

However, there’s no evidence that the data breach included account numbers, passwords, Social Security numbers or dates of birth, the New York-based bank said.

The bank added that it has not seen any unusual customer fraud stemming from the data breach.

JPMorgan Chase, the nation’s biggest bank by assets, has been working with law enforcement officials to investigate the cyberattack.

The FBI, In August, said it was working with the Secret Service to determine the scope of recent cyberattacks against several American financial institutions.

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