Author

Geonwoo Kim

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Open access Oct 2026

Lost in the comments: Social context as a single‐pass jailbreak and defense on agentic platforms

As LLM‐based agents move onto multiagent platforms, they process direct prompts and surrounding social context—posts, comments, and upvotes—an attack surface that single‐turn alignment never addressed. We built a simulation of Moltbook, a social network for AI agents, and a pipeline turning 100 JailBreakBench goals i...

Taehyeon Yun, Seonhee Jeon, Geonwoo Kim et al. · ETRI Journal · 0 citations

#artificial intelligence Review Sep 2026

When Valid Tool Calls Change Meaning: Formation-Consistent Dispatch for LLM Agents

Formation-consistent dispatch (FCD), which connects implementation analysis to execution authority, is presented, which produces provenance-bound over-approximations of declared in-scope effects from official source.

Geonwoo Kim, Brent ByungHoon Kang Korea Advanced Institute of Science, Technology · 0 citations

#large language models Open access Sep 2026

Data poisoning in LLM multiagent societies: Social proof drives collective decision failure in financial deliberation

Large language model (LLM) multiagent systems are increasingly deployed for high‐stakes financial deliberation, but individually secure LLMs may become vulnerable when embedded in a peer‐to‐peer agent society. We study data poisoning in such societies using Moltbook, a deliberation test bed modeled after the agent‐on...

Jeongsuk Park, Yu-Ji Lim, Geonwoo Kim et al. · ETRI Journal · 1 citation