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MasterCard and Visa warn of breach that could compromise millions of card numbers

Interior PolicyPersonal Data CollectionConsumersBusiness InstitutionsSecurityData Protection

MasterCard and Visa are warning banks nationwide of a massive breach at an unnamed U.S-based credit card processor, potentially involving as more than 10 million card numbers could be compromised, according to the blog, KrebsonSecurity.

Blogger Brian Krebs says Visa and MasterCard started alerting banks to the problem late last week. So far, Krebs says, the compromised cards seemed to be concentrated in the New York City area.

I will post more information from MasterCard and Visa when it comes in.

Update 3: Response from MasterCard 

"MasterCard is currently investigating a potential account data compromise event of a U.S.-based entity and, as a result,  we have alerted payment card issuers regarding certain MasterCard accounts that are potentially at risk.

"MasterCard is concerned whenever there is any possibility that cardholders could be inconvenienced and we continue to both monitor this event and take steps to safeguard account information.  If cardholders have any  concerns about their individual accounts, they should contact their issuing financial institution. 

"Law enforcement has been notified of this matter and the incident is currently the subject of an ongoing forensic review by an independent data security organization.  It is important to note that MasterCard's own systems have not been compromised in any manner."   

MasterCard also provided a link to its blog on the issue.

Update 2: Response from Visa

“Visa Inc.is aware of a potential data compromise incident at a third party entity affecting card account information from all major card brands. There has been no breach of Visa systems, including its core processing network VisaNet.

“Visa has provided payment card issuers with the affected account numbers so they can take steps to protect consumers through independent fraud monitoring and, if needed, reissuing cards.

"It’s important for U.S. Visa consumer cardholders to know they are protected against fraudulent purchases with Visa’s zero liability fraud protection policy, which exceeds federal safeguards. As always, Visa encourages cardholders to regularly monitor their accounts and to notify their issuing financial institution promptly of any unusual activity. Additional consumer security tips are available at www.VisaSecuritySense.com.

“Every business that handles payment card information is expected to protect the security and privacy of their customers’ financial information by adhering to the highest data protection standards. Visa also supports advanced security layers such as encryption, tokenization and dynamic authentication through EMV chip technology to further protect sensitive account information and minimize the impact of data compromises.”

Update: Betty Riess, spokeswoman for Bank of America, says the bank can’t comment on specific breaches. But Riess adds that when the bank is notified by card association that customers’ cards were compromised, the “standard practice is to notify the customers and block and reissue their cards.” Plus, if fraud does occur, customers have zero liability, she says.

 

Copyright © 2014, The Baltimore Sun
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