2012 — Global Payments: 1, 7.0M records 2012 7.0M records affected Share on X Technical writeup 1.5 million credit card numbers from its systems may have been exposed after detecting “unauthorized access” into its processing system. Root cause Hacked Referenceshttp://www.washingtonpost.com/business/technology/faq-the-global-payments-hack/2012/04/02/gIQAIHLLrS_story.html