The data breach at Dixons Carphone last year was worse than it initially admitted . Data relating to 10 million customers , nearly double the original estimate , could have been hacked . The company reported the breach in June and has been investigating it since then . The company said it was contacting all customers to apologise and tell them what precautions to take . It said there was no evidence the hack was continuing and said it was adding new security measures . In 2012 the company ’s Carphone Warehouse division suffered an attack involving data from 10 million people and was fined £ 400,000 ( $ 100 ) .
The data breach at Dixons Carphone last year was worse than it initially admitted. Data relating to 10 million customers, nearly double the original estimate, could have been hacked. The retailer admitted the attack in June and has been investigating it since then. The company said it was contacting all customers to apologise and tell them what precautions to take. It said there was no evidence the hack was continuing and said it was adding new security measures. In 2015 the company’s Carphone Warehouse division suffered an attack involving data from three million people and was fined £400,000 ($524,000).