Backdoor Defense in LLMs

LLM: Large Language Model

Ask about this topic

Momentum

5 papers in the last four weeks, against 2 the four weeks before. 0.0% of all new papers.

Jul 13Week of Sep 28
View on map

Latest papers 22

All topics
CardsList

  1. Backdoor Purification for LoRA-Tuned LLMs via Null-Space Projection

    Sep 30, 2026Jianwei Li, Jung-Eun KimLLM Backdoor AttacksBackdoor Defense in LLMs

    North Carolina State University Raleigh, NC 27606, USA

  2. Backdoor Containment via Expert Quarantine and Shutdown in LLMs

    Sep 30, 2026Jianwei Li, Min-Seon Kim, Jung-Eun KimLLM Backdoor AttacksBackdoor Defense in LLMs

    Department of Computer Science North Carolina State University Raleigh, NC 27606, USA

  3. Don't Inoculate Everything: Stratified Inoculation Prompting Narrows Backdoor Triggers and Preserves Desired Traits

    Sep 28, 2026Kajetan Dymkiewicz, Tim Farrelly, Adam Prada +7LLM Backdoor AttacksBackdoor Defense in LLMs

    University of Cambridge · Independent · University of California, Berkeley +3

  4. Universal Defenses for Tool-Integrated LLM Agents Against Adversarial Attacks

    Sep 14, 2026Xiaoyan Li, Yunli WangAdversarial Attacks on LLMsBackdoor Defense in LLMs

    Department of Computer Science University of Toronto Toronto, Ontario, Canada · Digital Technologies Research Centre National Research Council Canada Ottawa, Ontario, Canada

  5. SpecGuard: Inference-Time Backdoor Detection For Free

    Sep 11, 2026Rui Wen, Ahmed Salem, Andrew Paverd +2Backdoor DetectionBackdoor Defense in LLMs

    Institute of Science Tokyo · Microsoft Security Response Center · Microsoft Azure +1

  6. When Explanations Betray Backdoors: Black-Box Auditing for Language Model Classifiers

    Aug 12, 2026Yang Liu, Ran ZouLLM Backdoor AttacksBackdoor Detection

    Department of Statistics and Operations Research, University of North Carolina at Chapel Hill · Department of Statistics, University of California, Irvine

  7. Backdoor Decontamination Dynamics in LLM Agents

    Aug 11, 2026Gabriel Huang, Abhay Puri, Léo Boisvert +4LLM Backdoor AttacksBackdoor Defense in LLMs

    ServiceNow Research · Mila – Quebec AI Institute · Polytechnique Montréal +3

  8. LoRAScan: Detecting Backdoor Prompts in Low-Rank Adapters for Large Language Models via Down-Projection Activation Spikes

    Aug 7, 2026Doniyorkhon Obidov, Honggang Yu, Xiaolong Guo +1LLM Backdoor AttacksBackdoor Detection

    Michigan Technological University · Miami University · Lehigh University

  9. TriShield: Zero-Utility-Loss Defense Against Privacy Backdoors in Federated Language Model Fine-Tuning via Orthogonal Gradient Projection and Optimizer State Entanglement

    Jul 30, 2026Cheng WeiBackdoor AttacksBackdoor Attacks in Federated Learning

    Honor Device Co., Ltd., Shenzhen, China

  10. ToxScreen: Detecting Whether an LLM Has Been Poisoned

    Jul 29, 2026Anthony Hughes, Nicole Xing, Collin Francel +2LLM Backdoor AttacksBackdoor Detection

    University of Sheffield · Yale University · University of Alabama +2

  11. Defense Against LLM Backdoors using Critical Neuron Isolation Pruning

    Jul 22, 2026Yuxi Li, Zhibo Zhang, Kailong Wang +3LLM Backdoor AttacksBackdoor Defense in LLMs

    Huazhong University of Science and Technology China · Nanjing University of Aeronautics and Astronautics China · Nanyang Technological University Singapore

  12. Curvature-Guided Module Localization for Low-Rank Detoxification of Backdoored Large Language Models

    Jun 29, 2026Arash Raftari, Mehrdad Mahdavi, Nathan Blackthorn +1LLM Backdoor AttacksBackdoor Defense in LLMs

    AIVault Inc. Orlando, USA

  13. FlipGuard: Defending Large Language Models Against Quantization-Conditioned Backdoor Attacks

    Jun 27, 2026Aoying Zheng, Anqi Du, Zizhuang Deng +1LLM QuantizationLLM Backdoor Attacks

    School of Cyber Science and Technology Shandong University · Suzhou Research Institute of Shandong University

  14. Dummy Backdoor as a Defense: Removing Unknown Backdoors via Shared Internal Mechanisms for Generative LLMs

    Jun 10, 2026Kazuki Iwahana, Masaru Matsubayashi, Takuma Koyama +3LLM Backdoor AttacksBackdoor Defense in LLMs

    1NTT Social Informatics Laboratories · 2Tohoku University

  15. Shared Latent Structures Enable Unified Backdoor Detection and Mitigation in LLMs

    Jun 6, 2026Omar Mahmoud, Aly M. Kassem, Thommen George Karimpanal +4LLM Backdoor AttacksBackdoor Defense in LLMs

    Applied Artificial Intelligence Initiative, Deakin University, Australia · Mila, Quebec AI Institute, Quebec, Canada · School of Information Technology, Deakin University, Australia +1

  16. Backdoor Unlearning Generalization: A Path Toward the Removal of Unknown Triggers in LLMs

    Jun 2, 2026Lisa Bouger, Théo Lasnier, Philippe Loubet Moundi +2LLM Backdoor AttacksBackdoor Defense in LLMs

    1Inria Paris · 2Sorbonne Université · 3Thales CDI

  17. Patcher: Post-Hoc Patching of Backdoored Large Language Models

    Jun 2, 2026Anjun Gao, Yueyang Quan, Yufei Xia +2LLM Backdoor AttacksBackdoor Attacks

    University of Louisville · University of North Texas

  18. Token-Level Generalization in LoRA Adapter Backdoors: Attack Characterization and Behavioral Detection

    May 28, 2026Travis LelleLLM Backdoor AttacksBackdoor Detection

  19. Be Kind, Rewrite: Benign Projections via Rewriting Defend Against LLM Data Poisoning Attacks

    May 18, 2026John T. Halloran, Noopur S. BhattLLM Backdoor AttacksTraining Data Curation

    Leidos · University of Pennsylvania

  20. Layerwise Convergence Fingerprints for Runtime Misbehavior Detection in Large Language Models

    Apr 27, 2026Nay Myat Min, Long H. Pham, Jun SunLLM Backdoor AttacksAdversarial Attacks on LLMs

    Singapore Management University

  21. Defusing the Trigger: Plug-and-Play Defense for Backdoored LLMs via Tail-Risk Intrinsic Geometric Smoothing

    Apr 27, 2026Kaisheng Fan, Weizhe Zhang, Yishu Gao +2LLM Backdoor AttacksBackdoor Defense in LLMs

    School of Cyber Science and Technology Harbin Institute of Technology Harbin, China · Department of New Networks Peng Cheng Laboratory Shenzhen, China · SnT University of Luxembourg Luxembourg City, Luxembourg

  22. UniGuardian: A Unified Defense for Detecting Prompt Injection, Backdoor Attacks and Adversarial Attacks in Large Language Models

    Feb 18, 2025Huawei Lin, Yingjie Lao, Tony Geng +2LLM Backdoor AttacksAdversarial Attacks on LLMs

    Rochester Institute of Technology · Tufts University · University of Rochester +1