The Wide Diversity of Password Requirements And How to Cope with It
Authors: Moritz Horsch

Date: November 19 2018
Publication: PasswordsCon 2018 Stockholm
Source: Currently no known Internet copy of paper.

Abstract or Summary:
Users have to deal with the wide diversity of password requirements when creating passwords for their user accounts at Internet services. In this talk, I present the first investigation of password requirements on a global scale by analyzing 185,696 services. Second, I present a security analysis of the requirements with respect to offline brute-force attacks. Third, I present an optimal password-composition rule for password generators to cope with the wide diversity of password requirements. Altogether, the password-composition rule leads to secure passwords, a better user experience, and finally helps users to create proper passwords for their user accounts. Note: Video of presentation:

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