How to protect your credit online

One woman shares how her recent European vacation was ruined by a credit card hacker, and a financial expert shares tips on how to protect yourself from being hacked.
2:13 | 10/19/17

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Transcript for How to protect your credit online
Ready answer consumer alert now credit card breaches are at an all time high. Already nearly 30% more than last year leaving on a hundred million Americans. Potentially exposed the backers hope to one victim was in recent dream vacation turned into a complete nightmare. ABC's Abby Woodrow has the story. Heather Ritter's dream European vacation turned into a nightmare in Rome I just remember like looking at the coliseum in knowing I don't had a place to go. I don't know what to do you. I was terrified. The Los Angeles singer was at a restaurant when her credit card was declined. Hackers had somehow gotten access to her Clark information and win on a shopping spree. I started seeing these late charges on my account there were sold many. And it was overwhelming what what kind of things from my hair or multiple plane tickets hotel rooms you know about how much they spent. Thousands it's mind boggling to me it feels very violating credit card fraud and breaches are at an all time high. Last year fifteen point four million people got hacked. With sixteen billion dollars in losses to the rescue financial expert and Capital One partner Nicole lapin who offered some advice. The good news is that we can't protect you from ever happening at the tip number one sign up for her just alerts because they and you see. What purchase are being made on your cows and if they aren't you you can recollect tipped to monitor your credit and your credit score our sponsored Capital One has an app for that called credit wise essentially you log onto. This is an example of what your credit score would be home and then. Any inquiry hits you might get me of these viewers they a country. There and the last watch out for phone scam is never give your personal information over the phone unless you've called the company yourself paying. Sand man. Heather's now back home recording music still recovering from her unpleasant. Roman Holiday. Lessons learned I honestly don't and it got experience sat heavily breaks my heart. It and to think if somebody else's situation for Good Morning America adding your journal ABC news Los Angeles.

This transcript has been automatically generated and may not be 100% accurate.

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