activity
20242026
collaborators

5 papers

cs.MM2026

TempQ-Jail: Query-Constrained Candidate Ranking for Text-to-Video Jailbreak Attacks

Tianmeng Fang, Jiancheng Wang, Chen Wang +4

Existing text-to-video (T2V) jailbreak methods mainly seek more effective or stealthier attack candidates. In guarded T2V systems, however, video generation and security evaluation…

cs.CV2026

A Patch-based Cross-view Regularized Framework for Backdoor Defense in Multimodal Large Language Models

Tianmeng Fang, Yong Wang, Zetai Kong +4

Multimodal large language models have become an important infrastructure for unified processing of visual and linguistic tasks. However, such models are highly susceptible to backd…

cs.AI2025

SafeMobile: Chain-level Jailbreak Detection and Automated Evaluation for Multimodal Mobile Agents

Siyuan Liang, Tianmeng Fang, Zhe Liu +5

With the wide application of multimodal foundation models in intelligent agent systems, scenarios such as mobile device control, intelligent assistant interaction, and multimodal t…

cs.CR2025

T2VShield: Model-Agnostic Jailbreak Defense for Text-to-Video Models

Siyuan Liang, Jiayang Liu, Jiecheng Zhai +5

The rapid development of generative artificial intelligence has made text to video models essential for building future multimodal world simulators. However, these models remain vu…

cs.CR2024

TrapFlow: Controllable Website Fingerprinting Defense via Dynamic Backdoor Learning

Siyuan Liang, Jiajun Gong, Tianmeng Fang +5

Website fingerprinting (WF) attacks, which covertly monitor user communications to identify the web pages they visit, pose a serious threat to user privacy. Existing WF defenses at…