Jiacen(Jason) Xu

嘉涔 徐

I am a Security Researcher at Microsoft.

I obtained my Ph.D. from UC Irvine advised by Prof. Zhou Li. I was a Research Intern at Microsoft Research and at IBM Research. I received my B.S. and Master degree at Shanghai Jiao Tong University and got Outstanding Undergraduate and Outstanding Graduate.

Email  /  Github  /  Google Scholar  /  Linkedln  /  Twitter  /  Blogs

profile photo
News
  • [2025-03] Started a new journey at Microsoft as a security researcher.
  • [2025-02] Passed my Ph.D. defense.
  • [2024-06] Started my summer internship in IBM Research at Yorktown Heights, NY.
  • [2024-05] Gave a talk on UCI ICS Security Seminar.
Experience
[2024-06~2024-09] Research Intern at IBM Research, Mentors: Kapil Singh, Sunil Manandhar; Manager: Fred Araujo.
[2023-06~2023-09] Research Intern at Microsoft Research, Redmond, WA. Mentors: Jay Stokes, Geoff McDonald, David Marshall, Siyue Wang, and Adith Swaminathan.
[2021-07~2021-10] Research Assistant at the Chinese University of Hong Kong, Mentor: Prof. Kehuan Zhang.
[2020-09~2021-06] Visitor at Fudan University, Mentor: Prof. Zhe Zhou.
[2019-03~2020-02] Research Intern at University of Illinois at Urbana-Champaign, Mentor: Prof. Bo Li.
[2018-06~2018-09] Research Intern at Platina Systems at Santa Clara, Mentors: Sharad Mehrotra and Ramana Gopal.
Awards & Certificates
Service
  • Organizing Committee:
  • Journal Reviewer:
    • IEEE Transactions on Information Forensics and Security
    • ACM Transactions on Intelligent Systems and Technology
  • External Reviewer:
    • CCS: 2025
    • S&P: 2025
    • NDSS: 2025~2021
    • AsiaCCS: 2022, 2021
  • ECPS 207 Security and Privacy Issues in CPS, Teaching Assistant, Teacher: Prof. Ian G. Harris: 2024 Spring Quarter
  • ICS175 Projects in AI (in Adversarial ML), Reserach Assistant, Teacher: Prof. Sameer Singh: Project / Website
    • 2022 Spring Quarter
    • 2022 Winter Quarter
Research

My research interests include Large Language Model-driven Security Applications and Graph Security Analysis. Much of my research is about inferring the physical world and real world applications. Representative papers are highlighted.

Conference
Understanding and Bridging the Gap Between Unsupervised Network Representation Learning and Security Analytics
Jiacen Xu, Xiaokui Shu and Zhou Li
IEEE Symposium on Security and Privacy, 2024
Paper / Code / Blog

On Adversarial Robustness of Point Cloud Semantic Segmentation
Jiacen Xu, Zhe Zhou, Boyuan Feng, Yufei Ding and Zhou Li
IEEE/IFIP DSN, 2023
Paper / Code / Blog

PROGRAPHER: An Anomaly Detection System based on Provenance Graph Embedding
Fan Yang, Jiacen Xu, Chunlin Xiong, Zhou Li and Kehuan Zhang
Usenix Security, 2023
Paper

Maestro: A Gamified Platform for Teaching AI Robustness
Margarita Geleta, Jiacen Xu, Manikanta Loya, Junlin Wang, Sameer Singh, Zhou Li and Sergio Gago Masague
EAAI, 2023
arXiv / Website / Code

HOMESPY: The Invisible Sniffer of Infrared Remote Control of Smart TVs
Kong Huang, YuTong Zhou, Ke Zhang, Jiacen Xu, Jiongyi Chen, Di Tang, Kehuan Zhang
Usenix Security, 2023
Paper

Scalability vs. Utility: Do We Have to Sacrifice One for the Other in Data Importance Quantification?
Ruoxi Jia, Fan Wu*, Xuehui Sun*, Jiacen Xu*, David Dao, Bhavya Kailkhura, Ce Zhang, Bo Li, Dawn Song (*= Equal Contribution)
CVPR, 2021
arXiv / Project

Towards a unified min-max framework for adversarial exploration and robustness
Jingkang Wang, Tianyun Zhang, Sijia Liu, Pin-Yu Chen, Jiacen Xu, Makan Fardad, Bo Li
NeurIPS, 2021
arXiv


Last update: March-21-2025 and great thanks to Jon Barron for the template.