In March 2012, it was reported that a security breach at Global Payments, a firm that processed payments for Visa and Mastercard, could compromise the credit- and debit-card information of millions of Americans. Subsequent to the reported breach, the company’s stock fell more than 9 percent before trading in its stock was halted. Visa also removed the company from its list of approved processors.
In June 2011, a major bank reported that hackers had broken into its systems and gained access to the personal information of hundreds of thousands of customers. Through the bank’s on-line banking system, the attackers were able to view certain private customer information.
Citi reissued over 200,000 cards after a May 2011 website breach. About 360,000 of its approximately 23.5 million North American card accounts were affected, resulting in the potential for misuse of cardholder personal information.
AMERICA IS UNDER CYBER ATTACK: WHY URGENT ACTION IS NEEDED HEARING BEFORE THE SUBCOMMITTEE ON OVERSIGHT, INVESTIGATIONS, AND MANAGEMENT OF THE COMMITTEE ON HOMELAND SECURITY HOUSE OF REPRESENTATIVES ONE HUNDRED TWELFTH CONGRESS SECOND SESSION APRIL 24, 2012