Just a few decades ago, buying things meant going to the bank — your own physical branch, mind you, during the brief hours it was open — to take out cash. If you didn’t have time for that, or ran out ...

RFID credit cards are growing in popularity and have already been adopted by major credit card issuers. These cards use radio frequencies to allow the cardholder to pay at terminals by tapping their ...

More than two years ago, Hewlett-Packard, the IT and computer products and services provider based in Palo Alto, Calif., started deploying RFID in parts of its manufacturing and distribution chain.

The security of an RFID system, as with almost any payment or information technology system, depends on how it is set up. If a transit company is issuing transponders with unique serial numbers and ...