![]() Some card companies maintain, however, that they use additional means to confirm new cards. The recipients are generally asked to call from their home phones to activate their cards. ![]() ![]() They will call a service such as Western Union, setting Caller ID to appear to originate from the card holder’s home, and use the credit card number to order cash transfers that they then pick up.Įxposing a similar vulnerability, Caller ID is used by credit-card companies to authenticate newly issued cards. Lance James, chief scientist at security company Secure Science Corp., said Caller ID spoofing Web sites are used by people who buy stolen credit card numbers. The Federal Communications Commission has never investigated the issue, spokeswoman Rosemary Kimball said. Caller ID spoofing appears to be legal, though many of its uses are not.
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