Cited by 17Misinformation and Its ImpactsSpam and Phishing DetectionAdversarial Robustness in Machine Learning

Is Multi-Modal Necessarily Better? Robustness Evaluation of Multi-Modal Fake News Detection

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Chen, Jinyin, Jia, Chengyu, Zheng, Haibin, Chen, Ruoxi, Fu, Chenbo·2023·IEEE Transactions on Network Science and Engineering

Abstract

The proliferation of fake news and its serious negative social influence push fake news detection methods to become necessary tools for web managers. Meanwhile, the multi-media nature of social media makes multi-modal fake news detection popular for its ability to capture more modal features than uni-modal detection methods. However, current literature on multi-modal detection is more likely to pursue the detection accuracy but ignore the robustness (the detection ability in the case of abnormality and malicious attack) of the detector. To address this problem, we propose a comprehensive robustness evaluation of multi-modal fake news detectors. In this work, we simulate the attack methods of malicious users and developers, i.e., posting fake news and injecting backdoors. Specifically, we evaluate multi-modal detectors with five adversarial and two backdoor attack methods. Experiment results imply that: (1) The detection performance of the state-of-the-art detectors degrades significantly under adversarial attacks, e.g., BDANN's detection accuracy on malicious news drops by 47% compared to normal, even worse than general detectors (Att-RNN); (2) Most multimodal detectors are more vulnerable to visual modality than textual modality; (3) Backdoor attacks on popular events news severely degrade detectors (accuracy dropped by an average of 20%); (4) These detectors degrade more (another 2% reduction in accuracy) when subjected to multi-modal attacks; (5) Defense methods will improve the robustness of multi-modal detectors, but cannot fully resist the effects of malicious attacks.

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Crossref · 10.1109/tnse.2023.3249290

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  • Multimodal models may be equally or even more vulnerable to adversarial attacks than models using a single modality, due to negative impact of increasing input dimensions on adversarial robustness.

    “The robustness of multimodal models is a topic of ongoing discussion because multimodal models may be equally or even more vulnerable to adversarial attacks than models using a single modality. This susceptibility to adversarial attacks results from the negative impact of increasing input dimensions on adversarial robustness49–51.”

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Authors
Chen, J., Jia, C., Zheng, H., Chen, R., & Fu, C.
Affiliations
Zhejiang University of Technology (CN)
Venue
IEEE Transactions on Network Science and Engineering
Published
2023
Pages
1-15
ISSN
  • 2327-4697 (ISSN-L)
  • 2334-329X
OpenAlex
W4322576826
Cited by
17
References
60
Citations by year
2026: 2 · 2025: 7 · 2024: 5 · 2023: 3
FWCI
7.34
Type
journal article
Language
en
Open access
Locations
  • IEEE Transactions on Network Science and Engineering (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Funders
  • National Natural Science Foundation of China (62072406, 2021C01117)
  • National Key Laboratory of Science and Technology on Information System Security (61421110502)
  • Zhejiang Provincial Natural Science Foundation (LDQ23F020001)
  • Key R&D Projects in Zhejiang
  • National Key R&D Projects of China (2018AAA0100801)
Topics
  • Social Sciences › Sociology and Political Science › Misinformation and Its Impacts
  • Physical Sciences › Computer Science › Information Systems › Spam and Phishing Detection
  • Physical Sciences › Computer Science › Artificial Intelligence › Adversarial Robustness in Machine Learning
Keywords
fake news detection, multimodal detection, robustness analysis, adversarial attacks, backdoor attacks, social media misinformation, defense methods

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