hack heartland

In the largest credit card breach in history, hackers stole 130 million card numbers and other account information from Heartland Payment Systems.

Heartland processes credit card payments, so naturally, it was a huge target. Heartland eventually paid more than $110 million to Visa, MasterCard, American Express, and other card companies to settle claims related to the breach.

First published June 5, 2015: 7:17 AM ET

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