About

I am a security researcher at Li Auto. I study the security of Embodied AI.

Previously, I obtained my Ph.D. and B.S. from Zhejiang University co-advised by Wenyuan Xu, Xiaoyu Ji, Chen Yan, Yushi Cheng.

Selected work

  • Attack and Defense for LiDAR-based Perception in Autonomous Driving
    Zizhi Jin
    PhD Thesis
    paper | slides

  • PLA-LiDAR: Physical Laser Attacks against LiDAR-based 3D Object Detection in Autonomous Vehicle
    Zizhi Jin, Xiaoyu Ji, Yushi Cheng, Bo Yang, Chen Yan, and Wenyuan Xu
    IEEE S&P Oakland 2023 (Big Four)
    paper | slides | demo

  • Unity is Strength? Benchmarking the Robustness of Fusion-based 3D Object Detection against Physical Sensor Attack
    Zizhi Jin, Xuancun Lu, Bo Yang, Yushi Cheng, Chen Yan, Xiaoyu Ji, and Wenyuan Xu
    WWW 2024 (Oral)
    paper | slides | code | dataset

  • PhantomLiDAR: Cross-modality Signal Injection Attacks against LiDAR
    Zizhi Jin, Qinhong Jiang, Xuancun Lu, Chen Yan, Xiaoyu Ji, and Wenyuan Xu
    NDSS 2025 (Big Four)
    paper | slides | demo

  • Laser-based LiDAR Spoofing: Effects Validation, Capability Quantification, and Countermeasures
    Zizhi Jin, Xiaoyu Ji, Yushi Cheng, Bo Yang, Chen Yan, and Wenyuan Xu
    IEEE Internet of Things Journal
    paper

Recent readings

  • What Babies Know (Elizabeth Spelke)
  • 置身事内 （兰小欢）
  • The Art of Doing Science and Engineering (Richard Hamming)

(last updated: Sept. 2025)