Fraud & Risk

Knowledge-based Authentication Threat

Neustar

Whitepaper

Knowledge-based authentication, or KBA for short, was designed to help prove the identity of a user through familiarity of specific details, such as a person's mother's maiden name, first elementary school, or first pet's name. While well-intentioned, KBAs have a number of shortcomings, which Neustar details in this paper. The document also describes a technology called pre-answer authentication and looks at its advantages over KBAs.

Knowledge-based Authentication Threat

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