Challenge: Large Language Models (LLMs) have achieved significant progress in alignment, ensuring safer and more reliable outputs.
Approach: They propose a neuron-level interpretability method that focuses on the role of safety-related knowledge neurons to improve model robustness against jailbreak attacks.
Outcome: The proposed method reduces attack success rates across multiple LLMs and outperforms all baseline defenses.

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Neuronal Insights into LLM Attacks: Targeted Neuron Tuning for Precise and Robust Vulnerability Patching (2026.findings-acl)

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Challenge: Existing gradient-based attribution methods are inapplicable to adversarial attacks . et al.: Targeted neuron tuning improves model robustness against jailbreak attacks despite the model's vulnerability to jailbreak.
Approach: They propose a gradient-based method to identify key neurons sensitive to adversarial behaviors in open-ended generation tasks.
Outcome: The proposed method detects key neurons sensitive to adversarial behaviors in open-ended tasks.
Why Not Act on What You Know? Unleashing Safety Potential of LLMs via Self-Aware Guard Enhancement (2025.findings-acl)

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Challenge: Large Language Models (LLMs) have demonstrated impressive capabilities across various tasks but are vulnerable to meticulously crafted jailbreak attacks.
Approach: They propose a training-free defense strategy to align LLMs’ strong safety discrimination performance with their relatively weaker safety generation ability.
Outcome: The proposed strategy achieves an average 99% success rate against numerous complex and covert jailbreak methods while maintaining helpfulness on general benchmarks.
How Alignment and Jailbreak Work: Explain LLM Safety through Intermediate Hidden States (2024.findings-emnlp)

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Challenge: Large language models (LLMs) rely on safety alignment to avoid malicious user inputs.
Approach: They employ weak classifiers to explain LLM safety through the intermediate hidden states.
Outcome: The proposed model can identify malicious and normal inputs and detect malicious ones without jailbreak.
SafeDecoding: Defending against Jailbreak Attacks via Safety-Aware Decoding (2024.acl-long)

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Challenge: Despite advances in large language models, they face substantial challenges in terms of safety.
Approach: They develop a safety-aware decoding strategy for large language models to defend against jailbreak attacks.
Outcome: The proposed strategy outperforms six defense methods against jailbreak attacks on five LLMs.
Jailbreaking Attacks vs. Content Safety Filters: How Far Are We in the LLM Safety Arms Race? (2026.findings-acl)

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Challenge: Existing studies have focused on the models, neglecting the full deployment pipeline . previous studies have underestimated the practical success of these attacks .
Approach: They evaluate the effectiveness of jailbreak attacks targeting LLM safety alignment . they highlight critical gaps and call for further refinement of detection accuracy and usability .
Outcome: The proposed attacks can detect at least one safety filter across the entire deployment pipeline.
Defending Large Language Models Against Jailbreak Attacks via Layer-specific Editing (2024.findings-emnlp)

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Challenge: Existing defense methods focus on detecting harmful prompts or reducing the likelihood of harmful responses.
Approach: They propose a layer-specific editing method to align LLMs to harmful prompts by supervised fine-tuning and reinforcement learning.
Outcome: The proposed method improves the performance of large language models against jailbreak attacks while maintaining performance on benign prompts.
Shaping the Safety Boundaries: Understanding and Defending Against Jailbreaks in Large Language Models (2025.acl-long)

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Challenge: Understanding how jailbreaking works remains limited, hindering the development of effective defense strategies.
Approach: They propose a new mechanism that adaptively constrains activations within the safety boundary and propose 'Activation Boundary Defense' to enhance its effectiveness.
Outcome: The proposed defense achieves an average Defense Success Rate (DSR) of over 98% against various jailbreak attacks, with less than 2% impact on the model’s general capabilities.
On the Vulnerability of Safety Alignment in Open-Access LLMs (2024.findings-acl)

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Challenge: Large language models (LLMs) are susceptible to malicious exploitation, but are often rejected and limited harmfulness is limited.
Approach: They propose two types of reverse alignment techniques: reverse supervised fine-tuning (RSFT) and reverse preference optimization (RPO).
Outcome: The proposed methods can significantly enhance the success rate and harmfulness of jailbreak attacks, but they face high rejection rates and limited harmfulness.
Towards Understanding Jailbreak Attacks in LLMs: A Representation Space Analysis (2024.emnlp-main)

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Challenge: Large language models (LLMs) are susceptible to a type of attack known as jailbreaking, which misleads LLMs to output harmful contents.
Approach: They propose to leverage hidden representations into existing jailbreak targets to move the attacks along the acceptance direction.
Outcome: The proposed methods are validated using the objective of existing jailbreak attacks.
Revisiting Jailbreaking for Large Language Models: A Representation Engineering Perspective (2025.coling-main)

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Challenge: Recent surge in jailbreaking attacks has revealed significant vulnerabilities in Large Language Models (LLMs) however, limited research into the underlying mechanisms that make LLMs vulnerable to such attacks has been conducted.
Approach: They propose that LLMs' self-safeguarding capability is linked to specific activity patterns within their representation space.
Outcome: The proposed models can be detected with a few pairs of contrastive queries, and the robustness can be manipulated by weakening or strengthening these patterns.

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