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Lijia Lv

2 accepted papers

2025

AdaPPA: Adaptive Position Pre-Fill Jailbreak Attack Approach Targeting LLMs

ICASSP 2025accepted

Jailbreak vulnerabilities in Large Language Models (LLMs) refer to methods that extract malicious content from the model by carefully crafting prompts or suffixes, which has garnered significant attention from the research community. However, traditional attack methods, which primarily focus on the…

Cited by 0SourceScholar
2025

Gamma-Guard: Lightweight Residual Adapters for Robust Guardrails in Large Language Models

EMNLP 2025

Large language models (LLMs) are widely deployed as zero-shot evaluators for answer grading, content moderation, and document ranking. Yet studies show that guard models (Guards)—LLMs fine-tuned for safety—remain vulnerable to “jailbreak” attacks, jeopardising downstream chatbots.We confirm this wea