We learned about this news from a business associate:

According to USAToday, Heartland Payment Systems (HPY) on Tuesday disclosed that intruders hacked into the computers it uses to process 100 million payment card transactions per month for 175,000 merchants.

In IRW – The Newsletter, we have covered data mining of VINs, SSNs, web analytic frauds, and email headers. It might be time to cover credit card mining so readers will understand the risks involved when servers, even test servers, are not properly secured or supervised.

Data Mining at the intersection of Information Retrieval, Business Intelligence, and Information Security is here to stay.