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Explaining the Suspicion: Design of an XAI-Based User-Focused Anti-Phishing Measure

In: Innovation Through Information Systems

Author

Listed:
  • Kilian Kluge

    (University of Ulm)

  • Regina Eckhardt

    (University of Ulm)

Abstract

Phishing attacks are the primary cause of data and security breaches in businesses, public institutions, and private life. Due to inherent limitations and users’ high susceptibility to increasingly sophisticated phishing attempts, existing anti-phishing measures cannot realize their full potential. Against this background, we utilize methods from the emerging research field of Explainable Artificial Intelligence (XAI) for the design of a user-focused anti-phishing measure. By leveraging the power of state-of-the-art phishing detectors, our approach uncovers the words and phrases in an e-mail most relevant for identifying phishing attempts. We empirically show that our approach reliably extracts segments of text considered relevant for the discrimination between genuine and phishing e-mails. Our work opens up novel prospects for phishing prevention and demonstrates the tremendous potential of XAI methods beyond applications in AI.

Suggested Citation

  • Kilian Kluge & Regina Eckhardt, 2021. "Explaining the Suspicion: Design of an XAI-Based User-Focused Anti-Phishing Measure," Lecture Notes in Information Systems and Organization, in: Frederik Ahlemann & Reinhard Schütte & Stefan Stieglitz (ed.), Innovation Through Information Systems, pages 247-261, Springer.
    • Handle: RePEc:spr:lnichp:978-3-030-86797-3_17
    DOI: 10.1007/978-3-030-86797-3_17
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