If an Internet phone service, charged your credit card $30.75. You had never even heard of that company until you received your statement. When you sent an e-mail message to the address provided on the company’s site, you got only an automated response that was no help. What do you do?

If someone illegally acquired your credit card number and used it to purchase services. Your bank has agreed to reverse the charges.

If you have been a victim of online fraud, immediately contact the financial institution that issued your card. Most banks require that you challenge disputed charges within 60 days. For further protection against fraud, consider upgrading your credit card to one that offers a password system for online purchases.