British Airways has warned customers of a data breach that has resulted in the credit card details - including full card verification value (CVV) digits - of some 380,000 customers being exposed to attackers as-yet unknown.
"British Airways is investigating, as a matter of urgency, the theft of customer data from its website, ba.com and the airline's mobile app".
However, since the breach, BA have declared that the issue has been resolved and their website is working normally.
Police and relevant authorities have meanwhile been notified.
This time around, as BA boss Alex Cruz put it, the airline has been the victim of a "sophisticated, malicious criminal attack", the result of which is that nearly 400,000 customers have had... We will continue to keep our customers updated with the very latest information. However, passport details and travel plans were not accessed by the hackers, the airline said, and stressed that only people who hade bookings during the two-week period in question were at risk.
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Customers' banking information was compromised, but no travel information. "It is now a race between British Airways and the criminal underground", said Reschke, head of threat intelligence at Trusted Knight.
Commenting on the breach, Israel Barak, Chief Information Security Officer at Cybereason, said: "The British Airways breach once again sheds light on the difficulty companies have protecting the proprietary information of their customers that is their backbone".
"I cancelled my card as soon as I heard about the breach on the news".
It is now in damage control mode, contacting affected customers, offering compensation and carrying out internal investigations to understand how it happened.
Senior Security Lead at cybersecurity firm X Infotech Jurijs Rapoports told IE that this is not the first time that a company has suffered such a large scale data breach and that several airlines have already been hacked before. Back in July, BA formally apologized after dozens of flights were canceled, and in June, 2,000 British Airways passengers had their tickets canceled because the ticket prices were too low.
In May a year ago, a "power outage" triggered a collapse in the airline's information systems. The airline said it was also working with law enforcement on the matter.