(Bloomberg) — Home Depot Inc., which suffered a data breach between April and September, said 53 million e-mail addresses were taken by hackers during the attack, in addition to the 56 million payment cards that were previously disclosed.

Home Depot also said that the criminals used a third-party vendor's user name and password to reach the perimeter of its network, then gained additional rights to navigate the company's systems. Hackers used custom-built software on Home Depot's self-checkout terminals in the U.S. and Canada to access customer data, according to a statement yesterday.

"Customers should be on guard against phishing scams, which are designed to trick customers into providing personal information in response to phony e-mails," the Atlanta-based company said.

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