An integrated approach to filtering phishing e-mails

  • Authors:
  • M. Dolores Del Castillo;Ángel Iglesias;J. Ignacio Serrano

  • Affiliations:
  • Instituto de Automática Industrial, CSIC, Arganda del Rey, Madrid, Spain;Instituto de Automática Industrial, CSIC, Arganda del Rey, Madrid, Spain;Instituto de Automática Industrial, CSIC, Arganda del Rey, Madrid, Spain

  • Venue:
  • EUROCAST'07 Proceedings of the 11th international conference on Computer aided systems theory
  • Year:
  • 2007

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Abstract

This paper presents a system for classifying e-mails into two categories, legitimate and fraudulent. This classifier system is based on the serial application of three filters: a Bayesian filter that classifies the textual content of e-mails, a rule based filter that classifies the nongrammatical content of e-mails and, finally, a filter based on an emulator of fictitious accesses which classifies the responses from websites referenced by links contained in e-mails. The approach of this system is hybrid, because it uses different classification methods, and also integrated, because it takes into account all kind of data and information contained in e-mails.