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cs.LG2026
Only What You've Signed up For: Secure Workflows with Constrained Diffusion Agents
Michael Cardei, Anjun Hu, Chenrui Ma +4
As agentic AI systems take on increasingly complex and consequential tasks, securing them against prompt injection becomes critical. Existing defenses often rely on detecting or re…
cs.IR2026
Attacking and Defending Multi-Agent Collaborative Filtering Systems Through Connectivity
Anjun Hu, Hanting Xie, Saranya Govindan +2
Multi-agent collaborative filtering (CF) systems coordinate autonomous LLM-powered user and item agents through natural-language interaction to refine preferences and generate reco…