LYCOS RETRIEVER 
Credit Card Fraud: Numbers
built 660 days ago
If your credit card is stolen and you have automatic billing from your credit card you have some work in front of you. Not only do you have to cancel your old number but now you're going to have to change your billing method on your accounts. This is all going to ruin your weekend but don't forget any steps like this in the process of replacing your credit card. With any luck you have a list of accounts that will need updating so you can be done with it as quickly as possible. If you are reading this and haven't lost a credit card it would be a fabulous time for you to make a list of anything that's automatically billed. Even if you don't lose a credit card a list of your automatically billed accounts will come in handy when your credit card expires and you have to update the expiration date.
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One-time-use (disposable) credit card numbers have the advantage that it might be possible to make them work with the current infrastructure. The numbers don't have to be one-time-use, they could instead have limited lifespans. The main problem is these systems require significant end-user changes. Credit card holders get a persistent identifier that is not a credit card number, but that can be used with another identifier to generate a credit card number. One can imagine many variants on this idea, but the limited lifespan of the credit card number is key. These techniques overlap with the much-missed eCash efforts.
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The pre-approved credit card offers you receive in the mail are sometimes recovered from the trash and used to apply for credit in your name. Be sure to shred these offers before you dispose of them. Tearing them up may not be enough. Someone decided to try an experiment and tore up his credit card application into little pieces. He then taped it back together and filled it out complete with a change of address and used his cell phone number for verification. The credit card company actually sent him a card.
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If you call the phone number on the credit card slip, you get a voice mail line. It is quite difficult to access a human, but some have managed this. By exploring the line you learn that they are selling pornography. You should know... that when you call a toll-free number (800/888), the vendor gets your phone number (CNI system). Unlike caller ID, this cannot be blocked. They may also receive additional address information from the phone company monthly, or use a reverse look-up service to acquire address information.
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Guard Your Credit Card Number Do not give your credit card number over the phone unless you are dealing with a company you have done business with before. Memorize your PIN number and do not keep it with your credit card.
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"Some retailers do not follow safe credit card use principles as closely as they should. An authorisation is not a guarantee that the cardholder has legitimate use of the card. It merely confirms that the order of the credit card numbers are correct, there are funds in the account and there are no stops on the card. Fraudulent signatures can ... be a problem. Retailers need to ensure they check every signature."
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