More than 380,000 customer transactions on the British Airways website were compromised by hackers which included credit card information. If it’s determined that British Airways didn’t do enough to protect consumer information, it could be facing a fine of up to 4 percent of its annual revenue (that works out to about £500 million).
Read details at https://www.technologyreview.com/the-download/612006/british-airways-hack-could-provoke-the-wrath-of-the-gdpr/