Research Output
Password Pattern and Vulnerability Analysis for Web and Mobile Applications
  Text⁃based passwords are heavily used to defense for many web and mobile applications. In this paper, we investigated the patterns and vulnerabilities for both web and mobile applications based on conditions of the Shannon entropy, Guessing entropy and Minimum entropy. We show how to substantially improve upon the strength of passwords based on the analysis of text⁃password entropies. By analyzing the passwords datasets of Rockyou and, we believe strong password can be designed based on good usability, deployability, rememberbility, and security entropies.

  • Type:


  • Date:

    30 June 2016

  • Publication Status:


  • DOI:


  • ISSN:


  • Library of Congress:

    QA75 Electronic computers. Computer science

  • Dewey Decimal Classification:

    005.8 Data security


Li, S., Romdhani, I., & Buchanan, W. (2016). Password Pattern and Vulnerability Analysis for Web and Mobile Applications. ZTE Communications, 14, 32-36.



password strength; security entropies; password vulnerabilities

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