Online travel agent Booking.com has warned of a data breach affecting reservation-related information. Users urged to stay alert after PIN codes changed.

First Data Corp.'s decision to support Acculynk Inc.'s PaySecure Internet PIN-debit payment system could give debit payments a boost at a time when banks have doubts about the future of debit cards.

The idea of allowing consumers to use PIN debit cards to pay online merchants has been a tough sell in the payments business, but observers hope a deal announced Thursday may give it a much-needed ...

BLACK HAT USA—Las Vegas—The manner in which many PIN pads used by consumers to pay for purchases and communicate with point-of-sale systems make it very easy for attackers to steal payment card data, ...