Passwords and the Evolution of Imperfect Authentication
Date: July 2015
Publication: Communications of the ACM, Vol. 58 No. 7
Page(s): 78 - 87
Source 1: https://www.microsoft.com/en-us/research/wp-content/uploads/2016/02/passwordsAndImperfectAuth.pdf
Source 2: http://www.jbonneau.com/doc/BHOS15-CACM-imperfect_authentication.pdf
Source 3: https://doi.org/10.1145/2699390 - Subscription or payment required
Abstract or Summary:
Theory on passwords has lagged behind practice, where large providers use back-end smarts to survive with imperfect technology. Simplistic models of user and attacker behaviors have led the research community to emphasize the wrong threats. Authentication is a classification problem amenable to machine learning, with many signals in addition to the password available to largeWeb services. Passwords will continue as a useful signal for the foreseeable future, where the goal is not impregnable security but reducing harm at acceptable cost.
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