collaborators

8 papers

cs.CR2025

Amplifying Machine Learning Attacks Through Strategic Compositions

Yugeng Liu, Zheng Li, Hai Huang +2

Machine learning (ML) models are proving to be vulnerable to a variety of attacks that allow the adversary to learn sensitive information, cause mispredictions, and more. While the…

cs.CR2025

Watermarking LLM-Generated Datasets in Downstream Tasks

Yugeng Liu, Tianshuo Cong, Michael Backes +2

Large Language Models (LLMs) have experienced rapid advancements, with applications spanning a wide range of fields, including sentiment classification, review generation, and ques…

cs.CR2025

Membership Inference Attacks Against Vision-Language Models

Yuke Hu, Zheng Li, Zhihao Liu +4

Vision-Language Models (VLMs), built on pre-trained vision encoders and large language models (LLMs), have shown exceptional multi-modal understanding and dialog capabilities, posi…

cs.CR2024

FDINet: Protecting against DNN Model Extraction via Feature Distortion Index

Hongwei Yao, Zheng Li, Haiqin Weng +3

Machine Learning as a Service (MLaaS) platforms have gained popularity due to their accessibility, cost-efficiency, scalability, and rapid development capabilities. However, recent…

cs.CR2024

: Measuring Stereotypical Bias in Large Vision-Language Models from Vision and Language Modalities

Yukun Jiang, Zheng Li, Xinyue Shen +3

Large vision-language models (LVLMs) have been rapidly developed and widely used in various fields, but the (potential) stereotypical bias in the model is largely unexplored. In th…

cs.CR2024

Membership Inference Attacks Against In-Context Learning

Rui Wen, Zheng Li, Michael Backes +1

Adapting Large Language Models (LLMs) to specific tasks introduces concerns about computational efficiency, prompting an exploration of efficient methods such as In-Context Learnin…