Delta Air Lines Inc. on Thursday said hundreds of thousands of customers could have had their credit-card information compromised in a cyberattack on a vendor that ran a chat function on the carrier’s website.
Delta said [24]/7.ai Inc. informed the airline on March 28 of a malware attack that exposed credit-card data last fall. The chat provider also informed retailer Sears Holdings Inc. of a similar attack that occurred around the same time. San Jose, Calif.-based [24]/7.ai Inc. didn’t immediately respond to a request for...