“We could well be witnessing the death of knowledge-based authentication, and it’s as it should be,” Litan said. “The problem is that right now there are no good alternatives that are as easy to implement. There isn’t a good software-based alternative. Everybody in the industry knows that KBA is nearing its end of usefulness, but it’s not like you can instantly roll out biometric identifiers to the entire US population. We’re just not there yet. It’s years away. If ever.”
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