Secrets, Lies, and Account Recovery: Lessons from the Use of Personal Knowledge Questions at Google

    WWW, pp. 141-150, 2015.

    Cited by: 46|Bibtex|Views16|Links
    EI
    Keywords:
    access controlsaccount recoveryauthenticationpersonal knowledge questions

    Abstract:

    We examine the first large real-world data set on personal knowledge question's security and memorability from their deployment at Google. Our analysis confirms that secret questions generally offer a security level that is far lower than user-chosen passwords. It turns out to be even lower than proxies such as the real distribution of su...More

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