Weixiao Ji
Senior Security Research Expert
Lenovo
Weixiao Ji is a security engineer at Lenovo Security Lab specializing in low-level and runtime defense. They co-authored and presented efiDrill—an open-source IDA plugin for automated UEFI firmware vulnerability hunting via data-flow analysis—at the Black Hat Asia 2024 Arsenal. They are a co-developer of AgentShield, an open-source eBPF-based boundary security system for AI agents. Their work spans firmware vulnerability analysis, kernel observability (eBPF, fanotify), TLS interception, and runtime enforcement for autonomous agents handling live credentials, built in Rust and Python.