New credit cards pose security problem - Technology ...

Anyone can buy an RFID credit card reader online, where second-hand units sometimes sell�for under $10, and start scanning cards in public -- without cardholders knowing.

"It's not encrypted, which is not what we were expecting," said Holman, who has gone on U.S. TV newscasts to demonstrate the security gap. "It's really easy to read. ... Now you can get a generic RFID reader and use...