5 of the biggest-ever credit card hacks

Target's credit card breach affected 40 million accounts, and 70 million customers had personal information stolen. Here are the top five credit card hacks of all time.

Heartland: 130 million

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credit card hacks heartland

When a credit-card payment processing company gets hacked, the ripple effect can be huge. A 2008 attack on Heartland Payment Systems (HPY) affected an estimated 130 million customers, impacting holders of a variety of credit card types.

Heartland eventually paid more than $110 million to Visa (V), MasterCard (MA), American Express (AXP) and other card associations to settle claims related to the breach.

By Julianne Pepitone   @julpepitone - Last updated January 12 2014 07:11 PM ET
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