https://www.helpnetsecurity.com/2009/01/20/heartland-payment-systems-uncovers-malicious-software-in-its-processing-system/
Payments processor Heartland Payment Systems has learned it was the victim of a security breach within its processing system in 2008. Heartland believes
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https://www.retailtouchpoints.com/features/news-briefs/heartland-payment-systems-files-lawsuit-against-mercury-payment-systems
Payment processing provider Heartland Payment Systems filed a federal lawsuit against Mercury Payment Systems. The lawsuit charges Mercury with false...
heartland payment systemsfileslawsuitmercuryretail