Solo independent maintainer of Agent Threat Rules (ATR), based in Taiwan. Built ATR over 60 days using AI-tool-augmented development: 330 production-validated detection rules in production at Microsoft Agent Governance Toolkit and Cisco AI Defense; 97.1 percent recall on NVIDIA garak benchmark; 100 percent NIST AI RMF mapping coverage. Cross-disciplinary background prior to AI security pivot: real estate sales (1M USD in 3 months), content marketing (300M Threads impressions over 3 months), organising Taiwan's longest-running hip-hop music festival (5th year). Pivoted to AI agent security after observing the rapid weaponisation of distilled LLMs for information warfare. NIST NCCoE Community of Interest member. Repo at github.com/Agent-Threat-Rule/agent-threat-rules . DOI 10.5281/zenodo.19178002 .