New Warning About Risks of Luggage Tags

The "GMA" team of insiders analyzes some of the biggest stories trending this morning.
4:49 | 01/03/17

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Transcript for New Warning About Risks of Luggage Tags
We're back now with the big board. Rebecca Jarvis here at the table with us. We begin with a new worry for air travelers. Hackers stealing flight information and other information from your luggage tag. Oh, boy. The risk is on the rise. Let's bring in our aviation consultant Steve ganyard. Every time you log into your reservation or you check in to print boarding passes, that six-target I.D. There contains lots of personal information. Your e-mail, your address, your phone number. It's just one step away from all your credit card numbers. The problem was the systems were built in the '60s and '70s. The global reservation systems. Long before privacy was a concern. The systems are showing their vulnerabiliti vulnerabilities. Many of us have seen those numbers and thought nothing of it. It's scarier because hackers don't really need that. They can find out in other ways, too. They can take a picture. They can stand off and take a picture of your boarding pass. A picture of your baggage tag. Or go on Instagram or social media and Google boarding pass. People like to put their boarding passes up there. Take a look at those pictures, you get all the personal information in an instant. Step one, don't goog put your boarding pass up on social media. What else can travelers do to protect themselves? First of all, these companies that do the global reservations need to tighten security protocols. It's a new year. We need to step back and one of the things we can do to protect ourselves is work on your pass words. Use strong pass words. One way to do that is create a fras. A couple of special characters. Get away from using your pets. We have all done that. Another thing that can be done is buy an app. So people saying, what should I use for a pass word? Apps can provide that help. This is just a number of the ways you can help yourself. Keep safe. And remember to take that boarding pass with you off the flight. I used to leave it there. And then I remembered what you had said some time ago. I take with me. Steve, thank you very much. All good suggestions there. Next up, that time of year again. Millions of us are going to lose weight. Join the gym. All of us. Many of us make mistakes when signing up for new memberships that can prove costly. That's why you're here, Rebecca J Jarvis. $30 billion spent in 2016 in membership fees. A lot of it was wasted? Billions were wasted. We make the same mistakes over and over and over again. Everybody comes out in the new year ready to lose weight. A lot of people do go. January, the second week of January is the busiest week at the gym all year round. All those people, a lot of the newcomers, they fall off by February. I have seen a statistic that 80% of the people that sign you had in January are gone by February. What kind on of waste are you talking about? If you don't go and you pay for it, you're wasting your money. There's fees hidden here as well. In fact, initiation and registration fees. Those are things that a lot of people night not see. They see the big number. The pretty number up front that gets you involved and gets you interested. They don't know about the initiation fees. Second of all, paying up front. Gyms will say if you pay for the whole year, we'll give you a better deal. If the gym closes late nor the year, because some do. Or if they move locations, you're paying for something that you're not getting what you thought you were. Finally, breaking contracts. People think I'm going to go all time. If you try to break that contract, have you ever tried to do this before? We moved from Washington to heerks it took me nine months to get him to stop charging me at the D.C. Gym. And you're George Stephanopoulos. What about the rest of us? This is not easy. Beware of this. There's so many deals out there. Do your home work. You to home work. There's free memberships in a lot of places. You can try them for free. This is the perfect time of year to sample. Some place close to work? Home? Location? Think about your lifestyle. What are you more inclined to do? Yeah. Sounds good. It is January 3rd. It's packed in the gym now. February, not so much. Coming up, that amazing rescue.

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

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