In another sign that the recently disclosed data breach at credit card processing giant Heartland Payment Systems may indeed be one for the record books, a quick survey of community banks indicates that a majority of institutions have been notified that at least some of their debit or credit cards were compromised in the breach. Princeton, N.J., based Heartland has not disclosed how many credit and debit card accounts may have been intercepted by malicious software the company recently found on its payment processing network. Heartland’s president and chief financial officer Robert Baldwin told Security Fix last month that the company processes about 100 million card transactions each month. The Independent Community Bankers of America, a trade group that includes some 5,000 banks representing 18,000 locations nationwide, took an informal poll of its members recently to find out how many were contacted by Heartland. According to the ICBA, 83 percent