Contextual security defenses prevent AI agents from taking rogue actions by synthesizing a task-specific policy and enforcing it on the agent's tool calls. In multi-step tasks, however, which actions are valid often depends on what the agent has already done and learned. We present Sapien, a policy engine for enforcing...
CO Tiffany, Wen Zhang, E. Bagdasarian et al.· 0 citations
AI agents are being deployed rapidly, accompanied by a growing number of AI-specific attacks and corresponding incidents. As incident reporting becomes increasingly important for legal compliance, governance, accountability, and security; current frameworks must be adapted to the unique characteristics of AI agents. In...
Anastasia Pustozerova, E. Bagdasarian, Luca Beurer-Kellner et al.· 0 citations
It is proved that, under an intuitive and experimentally supported assumption called distribution consistency, obfuscation can nullify the robustness of N-gram-based watermarks and motivate more semantics-aware alternatives.
Gehao Zhang, Eugene Bagdasarian, Juan Zhai et al.· arXiv.org· 0 citations
PiSAs (Privacy in Shared Agentic systems), a benchmark for assessing unintentional leaks with dual CI annotations, enables direct measurement of cross-user spillage across agentic system components and interfaces, such as outputs, inter-agent communication, and memory.
Shubham Gupta, N. Sepahvand, Abhinav Kumar et al.· 0 citations
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