"Delta says cyber attack may have exposed 'several hundred thousand' customers' data A data breach from Sept. 26 to Oct. 12 at a company called [24]7.ai allowed unauthorized access to customers' names, address, payment-card information, CVV numbers and expiration dates,... The information was at risk if a customer entered data manually online to complete a payment transaction, Delta said. Data from customers who used a program called Delta Wallet weren't compromised..." http://www.sun-sentinel.com/business/ct-biz-delta-data-breach-20180405-story.html
Sears and Delta Airlines Suffer Card Breaches via Shared Live Chat Provider April 5, 2018 https://www.bleepingcomputer.com/ne...-card-breaches-via-shared-live-chat-provider/
Delta Air Lines Sues Tech Company Over 2017 Customer Data Breach August 9, 2019 https://news.bloomberglaw.com/class...s-tech-company-over-2017-customer-data-breach