A MasterCard International official said two security technologies now under consideration could take a huge bite out of credit card fraud, saving banks hundreds of millions of dollars a year.

The two security measures - personal identification numbers (PINs) and "holomagnetic" cards - could eventually prevent 75% to 80% of fraud losses from thefts of cards and account numbers and from fraudulent applications, said Joel S. Lisker, MasterCard's senior vice president of security and risk management.

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