Automated Extraction of ABAC Policies from Natural-Language Documents in Healthcare Systems. - Yutang Xia; Shengfang Zhai; Qinting Wang; Huiting Hou; Zhonghai Wu; Qingni Shen (BIBM, 2022)

Kallima: A Clean-Label Framework for Textual Backdoor Attacks. - Xiaoyi Chen; Yinpeng Dong; Zeyu Sun 005; Shengfang Zhai; Qingni Shen; Zhonghai Wu (ESORICS (1), 2022)

Apple of Sodom: Hidden Backdoors in Superior Sentence Embeddings via Contrastive Learning. - Xiaoyi Chen; Baisong Xin; Shengfang Zhai; Shiqing Ma; Qingni Shen; Zhonghai Wu (CoRR, 2022)

NCL: Textual Backdoor Defense Using Noise-Augmented Contrastive Learning. - Shengfang Zhai; Qingni Shen; Xiaoyi Chen; Weilong Wang; Cong Li; Yuejian Fang; Zhonghai Wu (ICASSP, 2023)

Text-to-Image Diffusion Models can be Easily Backdoored through Multimodal Data Poisoning. - Shengfang Zhai; Yinpeng Dong; Qingni Shen; Shi Pu 002; Yuejian Fang; Hang Su 006 (ACM Multimedia, 2023)

Security Equivalence Assessment between Cloud Standards by Mapping of Control Items. - Yuchen Wong; Chen Yan; Shengfang Zhai; Cong Li; Qingni Shen (ICASSP, 2024)

TRLS: A Time Series Representation Learning Framework Via Spectrogram for Medical Signal Processing. - Luyuan Xie; Cong Li; Xin Zhang 110; Shengfang Zhai; Yuejian Fang; Qingni Shen; Zhonghai Wu (ICASSP, 2024)

Membership Inference on Text-to-Image Diffusion Models via Conditional Likelihood Discrepancy. - Shengfang Zhai; Huanran Chen; Yinpeng Dong; Jiajun Li; Qingni Shen; Yansong Gao 001; Hang Su 006; Yang Liu 003 (NeurIPS, 2024)

Discovering Universal Semantic Triggers for Text-to-Image Synthesis. - Shengfang Zhai; Weilong Wang; Jiajun Li; Yinpeng Dong; Hang Su 006; Qingni Shen (CoRR, 2024)

GuardReasoner: Towards Reasoning-based LLM Safeguards. - Yue Liu 008; Hongcheng Gao; Shengfang Zhai; Jun Xia 001; Tianyi Wu; Zhiwei Xue; Yulin Chen; Kenji Kawaguchi; Jiaheng Zhang; Bryan Hooi (CoRR, 2025)

NaviDet: Efficient Input-level Backdoor Detection on Text-to-Image Synthesis via Neuron Activation Variation. - Shengfang Zhai; Jiajun Li; Yue Liu 008; Huanran Chen; Zhihua Tian; Wenjie Qu 001; Qingni Shen; Ruoxi Jia 001; Yinpeng Dong; Jiaheng Zhang (CoRR, 2025)

Life-Cycle Routing Vulnerabilities of LLM Router. - Qiqi Lin; Xiaoyang Ji; Shengfang Zhai; Qingni Shen; Zhi Zhang 001; Yuejian Fang; Yansong Gao 001 (CoRR, 2025)

Sparse Autoencoder as a Zero-Shot Classifier for Concept Erasing in Text-to-Image Diffusion Models. - Zhihua Tian; Sirun Nan; Ming Xu 002; Shengfang Zhai; Wenjie Qu 001; Jian Liu 012; Kui Ren 001; Ruoxi Jia 001; Jiaheng Zhang (CoRR, 2025)

GuardReasoner-VL: Safeguarding VLMs via Reinforced Reasoning. - Yue Liu 008; Shengfang Zhai; Mingzhe Du; Yulin Chen; Tri Cao; Hongcheng Gao; Cheng Wang; Xinfeng Li; Kun Wang 056; Junfeng Fang; Jiaheng Zhang; Bryan Hooi (CoRR, 2025)

Silent Leaks: Implicit Knowledge Extraction Attack on RAG Systems through Benign Queries. - Yuhao Wang 006; Wenjie Qu 001; Yanze Jiang; Zichen Liu; Yue Liu 008; Shengfang Zhai; Yinpeng Dong; Jiaheng Zhang (CoRR, 2025)

AdvAudio: A New Information Hiding Method via Fooling Automatic Speech Recognition Model. - Xiangqi Wang; Yehao Kong; Luyuan Xie; Shengfang Zhai; Tairui Wang; Boyan Chen; Junkai Liang; Xin Zhang 110 (ACM Trans. Asian Low Resour. Lang. Inf. Process., 2025)