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20232026
most citedBackdoor Attacks and Countermeasures in Natural Language Processing Models: A Comprehensive Security Review

7 citations · 16 across the 11 of their papers we have counts for

collaborators

11 papers

cs.LG2026

Strategy Accumulation and Guided Execution for Automated LLM Fine-Tuning

Haoran Zhao, Wei Du, Dingwen Yang +7

Producing task-specific large language models requires discovering effective training strategies through experimentation. Automated fine-tuning systems have made this experimentati…

cs.CV2026

Visual Information Extraction from Documents via Classification-Guided Large Vision-Language Models

Huafu Li, Guo Chen, Jia Xia +5

Visual information extraction (VIE) from visually rich documents remains challenging due to high layout variability and real-world impairments. Existing methods typically rely on s…

cs.CR2026

ProtegoFed: Backdoor-Free Federated Instruction Tuning with Interspersed Poisoned Data

Haodong Zhao, Jinming Hu, Zhaomin Wu +7

Federated Instruction Tuning (FIT) enables collaborative instruction tuning of large language models across multiple organizations (clients) in a cross-silo setting without requiri…

cs.CR2025

Patronus: Identifying and Mitigating Transferable Backdoors in Pre-trained Language Models

Tianhang Zhao, Haodong Zhao, Wei Du +5

The ``Pre-train, then fine-tune'' paradigm has revolutionized Natural Language Processing (NLP). In this context, transferable backdoors pose a severe threat to the Pre-trained Lan…

cs.AI2025

NCV: A Node-Wise Consistency Verification Approach for Low-Cost Structured Error Localization in LLM Reasoning

Yulong Zhang, Li Wang, Wei Du +7

Verifying multi-step reasoning in large language models is difficult due to imprecise error localization and high token costs. Existing methods either assess entire reasoning chain…

cs.CR2024

Transferring Backdoors between Large Language Models by Knowledge Distillation

Pengzhou Cheng, Zongru Wu, Tianjie Ju +2

Backdoor Attacks have been a serious vulnerability against Large Language Models (LLMs). However, previous methods only reveal such risk in specific models, or present tasks transf…

cs.CR2024★ 5 cited

TrojanRAG: Retrieval-Augmented Generation Can Be Backdoor Driver in Large Language Models

Pengzhou Cheng, Yidong Ding, Tianjie Ju +5

Large language models (LLMs) have raised concerns about potential security threats despite performing significantly in Natural Language Processing (NLP). Backdoor attacks initially…

cs.CL2024★ 4 cited

How Large Language Models Encode Context Knowledge? A Layer-Wise Probing Study

Tianjie Ju, Weiwei Sun, Wei Du +3

Previous work has showcased the intriguing capability of large language models (LLMs) in retrieving facts and processing context knowledge. However, only limited research exists on…

cs.CR2024

SynGhost: Invisible and Universal Task-agnostic Backdoor Attack via Syntactic Transfer

Pengzhou Cheng, Wei Du, Zongru Wu +4

Although pre-training achieves remarkable performance, it suffers from task-agnostic backdoor attacks due to vulnerabilities in data and training mechanisms. These attacks can tran…

cs.CL2024

Investigating Multi-Hop Factual Shortcuts in Knowledge Editing of Large Language Models

Tianjie Ju, Yijin Chen, Xinwei Yuan +4

Recent work has showcased the powerful capability of large language models (LLMs) in recalling knowledge and reasoning. However, the reliability of LLMs in combining these two capa…

cs.CR2023★ 7 cited

Backdoor Attacks and Countermeasures in Natural Language Processing Models: A Comprehensive Security Review

Pengzhou Cheng, Zongru Wu, Wei Du +3

Language Models (LMs) are becoming increasingly popular in real-world applications. Outsourcing model training and data hosting to third-party platforms has become a standard metho…