About Me

My name is Xiaoyuan (Owen) Wu, currently a fourth year Societal Computing PhD student at CMU advised by Professor Lujo Bauer. I was previously advised by Professor Adam J. Aviv at GWUSEC.

Publications

• Estimating LLM Consistency: A User Baseline vs Surrogate Metrics
  Xiaoyuan Wu, Weiran Lin, Omer Akgul, and Lujo Bauer.
  Conference on Empirical Methods in Natural Language Processing (EMNLP Main Conference). November 2025. To appear.
  [arXiv preprint 2025.23799]
   
• Measuring Risks to Users’ Health Privacy Posed by Third-Party Web Tracking and Targeted Advertising
  Eric Zeng, Xiaoyuan Wu, Emily Ertmann, Lily Huang, Danielle Johnson, Anusha Mehendale, Brandon Tang, Karolina Zhukoff, Michael Adjei-Poku, Lujo Bauer, Ari Friedman, Matthew McCoy
  ACM CHI Conference on Human Factors in Computing Systems (CHI). April 2025.
   
• Transparency or information overload? Evaluating users’ comprehension and perceptions of the iOS App Privacy Report
  Xiaoyuan Wu, Lydia Hu, Eric Zeng, Hana Habib, and Lujo Bauer
  Network and Distributed System Security Symposium (NDSS). February 2025.
  [Video presentation]
   
• Poster: Longitudinal Measurement of the Adoption Dynamics in Apple’s Privacy Label Ecosystem
  David G. Balash, Mir Masood Ali, Monica Kodwani, Xiaoyuan Wu, Chris Kanich, Adam J. Aviv
  ACM SIGSAC Conference on Computer and Communications Security (CCS). November 2023
   
• User Perceptions of Five-Word Passwords
  Xiaoyuan Wu, Collins W. Munyendo, Eddie Cosic, Genevieve A. Flynn, Olivia Legault, and Adam J. Aviv
  Annual Computer Security Applications Conference (ACSAC). December 2022
   
• Security and Privacy Perceptions of Third-Party Application Access for Google Accounts
  David G. Balash, Xiaoyuan Wu, Miles Grant, Irwin Reyes, and Adam J. Aviv
  31st USENIX Security Symposium (USENIX Security). August 2022
   
• Longitudinal Analysis of Privacy Labels in the Apple App Store
  David G. Balash, Mir Masood Ali, Xiaoyuan Wu, Chris Kanich, Adam J. Aviv
  arXiv preprint 2206.02658. June 2022
   

Teaching Experience

• Teaching Assistant September 2024 - December 2024
  Introduction to Computer Security - 18330
• Undergraduate Teaching Assistant August - December 2021 & January - May 2022
  Software Engineering - CSCI 2113
  Learning Assistant January - May 2020 & January - May 2021
  Discrete Structures I - CSCI 1311

Awards/Recognitions

• Dean’s List – Fall 2019, Spring 2020, Fall 2020, Spring 2021
• Heros of Systems at GWU – Fall 2020
  Achievement for CSCI 3411 - Operating Systems