JPMorgan Chase is dealing with a second security breach in just three months.

The country's largest bank discovered hackers have accessed personal information from some 83 million household and small business accounts from its servers.

The information includes names, addresses and phone numbers of customers. The bank says there is no evidence that account numbers, passwords, user IDs or Social Security numbers had been stolen.

Another attack struck dozens of servers back in late July, exposing information on over one-million customer accounts. The company does not know if the two cyber attacks are related.  (Metro Networks Inc.)

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