PromptPET: Privacy-Utility Optimized Prompt Obfuscation
Ke Yang, Olivia Figueira, Umar Iqbal, and Athina Markopoulou
Under Review
Actions Speak Louder Than Chats: Investigating AI Chatbot Age Gating
Olivia Figueira, Pranathi Chamarthi, Tu Le, and Athina Markopoulou
Under Review
When Kids Mode Isn't For Kids: Investigating TikTok's "Under 13 Experience"
Olivia Figueira, Pranathi Chamarthi, Tu Le, and Athina Markopoulou
Under Review
VBIT: Towards Enhancing Privacy Control Over IoT Devices
Jad Al Aaraj, Olivia Figueira, Tu Le, Isabela Figueira, Rahmadi Trimananda, and Athina Markopoulou
ACM Transactions on Internet of Things (TIOT), 2026
The Hypocrisy of Data Governance
Zubair Shafiq, Olivia Figueira, Athina Markopoulou, Woodrow Hartzog, and Michael Lavine
Presented at the Symposium on "Governing Data," Yale Law School, March 2024
Yale Journal of Law & Technology (YJoLT), Vol. 28, 2026
VR ProfiLens: User Profiling Risks in Consumer Virtual Reality Apps
Ismat Jarin, Olivia Figueira, Yu Duan, Tu Le, and Athina Markopoulou
In Proc. of the Symposium on Usable Security and Privacy (USEC) 2026
DiffAudit: Auditing Privacy Practices of Online Services for Children and Adolescents
Olivia Figueira, Rahmadi Trimananda, Athina Markopoulou, and Scott Jordan
In Proc. of the ACM Internet Measurement Conference (IMC) 2024
🏆 Best Student Paper Award at IMC 2024
Presented at PrivaCI Symposium 2024
DeepPhish: Understanding User Trust Towards Artificially Generated Profiles in Online Social Networks
Jaron Mink, Licheng Luo, Natã M. Barbosa, Olivia Figueira, Yang Wang, and Gang Wang
In Proc. of the 31st USENIX Security Symposium (USENIX Security 2022)
Understanding COVID-19 Public Sentiment Towards Public Health Policies Using Social Media Data
Olivia Figueira, Yuka Hatori, Liying Liang, Christine Chye, and Yuhong Liu
In Proc. of the IEEE Global Humanitarian Technology Conference (GHTC) 2021
Distress Among Undergraduates: Marginality, Stressors and Resilience Resources
Paula S. Nurius, Yasaman S. Sefidgar, Kevin S. Kuehn, Jake Jung, Han Zhang, Olivia Figueira, Eve A. Riskin, Anind K. Dey, and Jennifer C. Mankoff
Journal of American College Health, Vol. 71, Issue 5, 2021
GenAI Guide for Computer Science Educators
Olivia Figueira and Athina Markopoulou
UCI DTEI Graduate Scholars Fellowship Program 2025 Teaching Artifact
Privacy of Virtual Reality: Our Future in the Metaverse and Beyond
Authors: Girard Kelly, Jeff Graham, Jill Bronfman, and Steve Garton
Contributors: Olivia Figueira and Aya Nouiouat
Common Sense Media, Privacy Program Report, 2022