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Scalable Backdoor Detection in Neural Networks

  • Haripriya Harikumar*
  • , Vuong Le
  • , Santu Rana
  • , Sourangshu Bhattacharya
  • , Sunil Gupta
  • , Svetha Venkatesh
  • *Corresponding author for this work

Research output: Chapter in Book/Conference proceeding › Conference contribution › peer-review

Abstract

Recently, it has been shown that deep learning models are vulnerable to Trojan attacks. In the Trojan attacks, an attacker can install a backdoor during training to make the model misidentify samples contaminated with a small trigger patch. Current backdoor detection methods fail to achieve good detection performance and are computationally expensive. In this paper, we propose a novel trigger reverse-engineering based approach whose computational complexity does not scale up with the number of labels and is based on a measure that is both interpretable and universal across different networks and patch types. In experiments, we observe that our method achieves a perfect score in separating Trojan models from pure models, which is an improvement over the current state-of-the-art method.
Original languageEnglish
Title of host publicationMachine Learning and Knowledge Discovery in Databases
Subtitle of host publicationEuropean Conference, ECML PKDD 2020, Ghent, Belgium, September 14–18, 2020, Proceedings, Part II
EditorsFrank Hutter, Kristian Kersting, Jefrey Lijffijt, Isabel Valera
Place of PublicationCham
PublisherSpringer Cham
Pages289–304
Number of pages16
ISBN (Electronic)9783030676612
ISBN (Print)9783030676605
DOIs
Publication statusPublished - 25 Feb 2021
EventEuropean Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases - Ghent, Belgium
Duration: 14 Sept 2020 → 18 Sept 2020

Publication series

NameLecture Notes in Computer Science
PublisherSpringer
Volume12458
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

ConferenceEuropean Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases
Abbreviated titleECML PKDD 2020
Country/TerritoryBelgium
CityGhent
Period14/09/20 → 18/09/20

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