Updated 3:25 p.m. PST with comment from Heartland.
Heartland Payment Systems, which processes payroll and credit card payments for more than 250,000 businesses, reported Tuesday that consumer credit card data was exposed in what may be the largest security breach ever.
In a statement that coincided with President Barack Obama's inauguration events, Heartland said the breach occurred last year but that it found evidence of the intrusion last week and immediately notified law enforcement and credit card companies.
Robert H.B. Baldwin Jr., president and chief financial officer of Heartland, told CNET News he did not … Read more