Wei Song
I am current a Postdoctoral Research Fellow at UNSW, working with Prof. Jingling Xue, A/Prof. Yulei Sui, Prof. Zhenchang Xing, and Prof. Liming Zhu. I received my PhD in Computer Science from UNSW Sydney, supervised by Prof. Jingling Xue.
My research interests lie at developing defenses against adversarial threats and watermarking frameworks for AI systems.
News
- [11/2025] Our paper in poisoning VideoLLMs has been accepted by AAAI 2026.
- [07/2025] Our paper in adversarial video defense has been accepted by RAID 2025.
- [06/2025] Our paper in hand biometric authentication has been accepted by IMWUT/UbiComp 2025.
- [05/2025] Our paper in adversarial defense for point cloud classification has been accepted by IEEE ICRA 2025.
- [06/2024] My first work on adversarial attacks/defense in AI has been accepted by USENIX Security 2024.
- [03/2024] One paper "VibMilk: Non-Intrusive Milk Spoilage Detection via Smartphone Vibration" has been accepted by IEEE IoTJ 2024.
- [01/2024] One paper "CAvatar: Real-time Human Activity Mesh Reconstruction via Tactile Carpets" has been accepted by IMWUT/UbiComp 2024.
Research
Failures to Surface Harmful Contents in Video Large Language Models
Yuxin Cao; Wei Song; Derui Wang; Jingling Xue; Jin Song Dong
AAAI (2026) [Paper]
ViDToken: A Video-Transformer-Based Latent Token Defense for Adversarial Video Detection
Wei Song; Zhenchang Xing; Liming Zhu; Yulei Sui; Jingling Xue
RAID (2025) [Paper]
Poisoning Prompt-Guided Sampling in Video Large Language Models
Yuxin Cao; Wei Song; Jingling Xue; Jin Song Dong
arXiv [Paper]
Help or Hurdle? Rethinking Model Context Protocol-Augmented Large Language Models
Wei Song; Haonan Zhong; Ziqi Ding;Jingling Xue; Yuekang Li
arXiv [Paper]
HandID: Towards Unobtrusive Gesture-independent User Authentication on Smartphones Using Vibration-based Hand Biometrics
Yuezhong Wu*; Wei Song*; Chun Tung Chou; Jiankun Hu; Wen Hu
IMWUT/UbiComp (2025) [Paper]
SynerGuard: A Robust Framework for Point Cloud Classification via Local Geometry and Spatial Topology
Haonan Zhong; Wei Song; Maurice Pagnucco; Yang Song
IEEE ICRA (2025) [Paper]
Correction-based Defense Against Adversarial Video Attacks via Discretization-Enhanced Video Compressive Sensing
Wei Song; Cong Cong; Haonan Zhong; Jingling Xue
USENIX Security (2024) [Paper]
VibMilk: Non-Intrusive Milk Spoilage Detection via Smartphone Vibration
Yuezhong Wu; Wei Song; Yanxiang Wang; Dong Ma; Wen Hu
IEEE IoTJ (2024) [Paper]
CAvatar: Real-time Human Activity Mesh Reconstruction via Tactile Carpets
Wenqiang Chen; Yexin Hu; Wei Song; Yingcheng Liu; Antonio Torralba; Wojciech Matusik
IMWUT/UbiComp (2024) [Paper]
Pistis: Replay Attack and Liveness Detection for Gait-Based User Authentication System on Wearable Devices Using Vibration
Wei Song; Hong Jia; Min Wang; Yuezhong Wu; Wanli Xue; Chun Tung Chou; Jiankun Hu; Wen Hu
IEEE IoTJ (2022) [Paper]
Experience
Professional Experience
- Jan 2022 - May 2022, Software Engineer, Parking Spotz
Mentor: Prof. Wen Hu - Dec 2020 - May 2021, Student Research Assistant, UNSW Cyber Security Cooperative Research Center
Supervisor: Prof. Salil Kanhere and Prof. Sanjay Jha
Teaching
- Academic tutor, COMP3331/9331 Computer Networks, UNSW, 2019-2024
- Academic tutor, COMP9444 Deep Neural Networks, UNSW, 2022
- Academic tutor, COMP4336/9336 Mobile Data Networking, UNSW, 2021
- Academic tutor, COMP4337/9337 Securing Wireless and Wireless Networks, UNSW, 2021
- Academic tutor, COMP6733 Internet of Things, UNSW, 2021
Academic Service
- 2023 Reviewer: ACM SIGCOMM, IoTDI, ACM MobiSys, IEEE/ACM ASE
- 2022 Reviewer: IPSN, ACM Sensys
- 2021 Reviewer: ACM Sensys