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Matthew J. Schwartz, InformationWeek
Matthew J. Schwartz, InformationWeek
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Target Confirms Hackers Stole 40 Million Credit Cards

Hackers' 19-day heist scoops up all ingredients required to make counterfeit cards.

Hackers have successfully stolen 40 million credit and debit cards from retail giant Target.

The retailer confirmed Thursday that the massive data breach, which occurred between November 27 and December 15, resulted in attackers gaining "unauthorized access" to customers' names, credit or debit card numbers, card expiration dates, and three-digit CVV security codes. That information is all that criminals would need to make fraudulent transactions online or create working, counterfeit cards in the names of customers -- or in Target's marketing-ese, "guests."

"Target today confirmed it is aware of unauthorized access to payment card data that may have impacted certain guests making credit and debit card purchases in its US stores," according to a statement released Thursday by Target. "Target is working closely with law enforcement and financial institutions, and has identified and resolved the issue."

Target said it had immediately notified law enforcement agencies as soon as it discovered the breach, and that it planned to hire a third-party digital forensics firm to investigate the breach and recommend information security improvements.

Read the full story at InformationWeek.

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