The rapid spread of misinformation in mobile and wireless networks presents critical security challenges. This study introduces a training-free, retrieval-based multimodal fact verification system that leverages pretrained vision-language models and large language models for credibility assessment. By dynamically retrieving and cross-referencing trusted data sources, our approach mitigates vulnerabilities of traditional training-based models, such as adversarial attacks and data poisoning. Additionally, its lightweight design enables seamless edge device integration without extensive on-device processing. Experiments on two fact-checking benchmarks achieve SOTA results, confirming its effectiveness in misinformation detection and its robustness against various attack vectors, highlighting its potential to enhance security in mobile and wireless communication environments.
@article{arxiv.2506.20944,
title = {E-FreeM2: Efficient Training-Free Multi-Scale and Cross-Modal News Verification via MLLMs},
author = {Van-Hoang Phan and Long-Khanh Pham and Dang Vu and Anh-Duy Tran and Minh-Son Dao},
journal= {arXiv preprint arXiv:2506.20944},
year = {2025}
}