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DDOS Attack On VISA

DDOS Attack On VISA - The attacks against MasterCard by WikiLeaks supporters that knocked the credit card company's Web site offline today may have caused more problems than previously thought.

MasterCard itself has so far said publicly only that its corporate Web site experienced availability issues as a result of a sustained distributed denial of service (DDoS) attack against the site. In a statement this afternoon, the company said that it was making progress addressing the issue and that no customer transactions had been affected.

It now appears that the company's Securecode service for secure online transactions was also affected. It's not clear, however, whether the SecureCode problems were caused by Anonymous, the group that knocked MasterCard's corporate site offline after the attacks began about 4 a.m. ET.

In multiple bulletins to transaction processing companies, the company said that MasterCard and Maestro transactions could not be processed via SecureCode because of a service disruption to the MasterCard Directory Server.

DDOS Attack On VISA

The server has been since failed over to a secondary site, but customers could still experience intermittent connectivity issues, MasterCard said. It did not offer a timetable for when it hopes to restore full service.

A MasterCard spokeswoman confirmed the disruptions to the SecureCode service, but insisted that online transactions had not been affected. Instead, there were "isolated reports" of SecureCode service slowdowns reported, she said, adding that SecureCode service has been restored to normal.

Meanwhile MasterCard rival Visa, which has also been under a DDoS attack, was finally knocked offline this afternoon. Visa's main corporate site appears to have been hit by two separate attacks according to Sean-Paul Correll, a researcher with PandaLabs. Correll has been maintaining a regularly updated blog on the unfolding attacks.

DDOS Attack On VISA
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