Target Hackers Might Know PIN Numbers

Identity thieves who stole Target credit cards might be able to access accounts with stolen PIN numbers.
3:00 | 12/27/13

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Transcript for Target Hackers Might Know PIN Numbers
Back here at home tonight new details coming in after millions had their credit card information stolen while shopping at target. Now comes word the hackers might have gotten more than just your credit card number. But your pin number, too. Here's abc's matt gutman now. Reporter: It was a historic breach into target's data vault. Cyber thieves also made off with perhaps the vault's most valuable loot, millions of pin numbers. But today, target continued to insist, customers' pin data and their money is safe. Citing it's triple data encryption algorithm which means the pin number cannot be taken from target servers. That doesn't mean it's hack proof. Right now you can bet there's a team of hackers working in eastern europe, trying to crack every single pin number, that they have stolen. Using a brute force attack. They are not going to stop until they are successful. Reporter: The risks to the shoppers bank accounts is minimal he says but urges them to stay vigilant. One week after learning 40 million credit and debit cards were hacked, shoppers are already filing lawsuits against target, one alleging the company failed to implement and maintain reasonable security procedures: And others are opting for the proven method of avoiding credit card fraud. I would rather just use cash until they straighten everything out. Reporter: Even if consumers don't have to pay a single dollar from their own wallet, it could still get pricey. Just reissuing 40 million new credit cards could cost $1.5 billion, david. Matt gutman tonight. Matt, thank you.

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