Dixons Carphone has revealed details of an attempt by hackers to gain access to one of the processing systems of Currys PC World and Dixons Travel stores in July 2017. Dixons says the vast majority of the cards involved – 5.8 million – have chip and pin protection and attackers have not gained access to pin codes, CCV (card verification value) security numbers or any authentication data which could enable them to identify the cardholder or make purchases.
