A、The customers give them the information. B、The customers sell the information to them. C、The thieves steal the information fro

The Internet has led to a huge increase in credit card fraud. Your card information could even be for sale on an illegal web site. Web sites offering cheap goods and services should be regarded with care.
    Online shoppers who enter their credit card information may never receive the goods they thought they bought. The thieves then go shopping with your credit card number or sell the information over the Internet. Computer hackers have broken down security systems, raising questions about the safety of cardholder in for mation. Several months a got 25, 000 customers of CD Universe, an online music retailer, were not lucky. Their names, addresses and credit card numbers were posted on a Web site after the retailer refused to pay US $157, 828 to get back the information.
    Credit card firms are now fighting against online fraud. MasterCard is working on plans for a Web-only credit card, with a lower credit limit. The card could be used only for shopping online. However, there are a few simple steps you can take to keep from being cheated. Ask about your credit card company’s online rules. Udder British law, cardholders have to pay the first US $ 78 of any fraudulent spending. Send your credit card information only if the Web site offers an advanced security system. If in doubt, give your credit card information over the telephone.