With so many cybersecurity professionals in one place, I and several senior leaders from the Department of Homeland Security and the Department of Commerce were able to provide in-depth explanations of the E.

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To make a purchase on a website, a MasterPass user would enter a password on the checkout page of a merchant who has installed the service as a payment option instead of typing in their card number, security code and other information that experts say slows down e-commerce transactions.

WSJ: Card Networks Take on Plastic With Mobile Platforms

Internet analyst Mamoun Tazi, of investment bank Schroder Salomon Smith Barney, said investors in e-commerce stocks were nervous about online security.

CNN: Police target online bank fraud