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|Title:||Divide, Recombine and Conquer: Syntactic Patterns-Reassembly Algorithm applied to Password Guessing Process|
|Authors:||COISEL IWEN; SANCHEZ MARTIN JOSE IGNACIO; GALBALLY HERRERO JAVIER|
|Citation:||IEEE ANNUAL INTERNATIONAL CARNAHAN CONFERENCE ON SECURITY TECHNOLOGY, PROCEEDINGS|
|Publisher:||INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS|
|Type:||Articles in periodicals and books|
|Abstract:||This work proposes a novel password guessing approach based on the identification, extraction and recombination of meaningful syntactic patterns present in human-chosen passwords. The proposed method exploits the existence of these patterns across user-selected passwords in order to effectively reduce the search space to be explored during the password guessing process. The password guessing scheme follows a two stage strategy. In the first step, a novel algorithm based on machine learning principles, identifies and extracts the syntactic meaningful patterns from a dataset of passwords. Then, in a second stage, these parts-of-passwords previously segmented are recombined in order to generate new statistically relevant password candidates that are used against a blind evaluation set. The experimental results show that this novel approach is able to retrieve complex passwords usually robust to traditional password guessing techniques.|
|JRC Directorate:||Space, Security and Migration|
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