activity
20242026
most citedDiffAudit: Auditing Privacy Practices of Online Services for Children and Adolescents

4 citations · 5 across the 6 of their papers we have counts for

collaborators

6 papers

cs.CR2026

PromptPET: Privacy-Utility Optimized Prompt Obfuscation

Ke Yang, Olivia Figueira, Umar Iqbal +1

Privacy is an important challenge when users interact with AI chatbots, since users may share sensitive information, explicitly or implicitly, and AI chatbots can use this informat…

cs.HC2026

Actions Speak Louder Than Chats: Investigating AI Chatbot Age Gating

Olivia Figueira, Pranathi Chamarthi, Tu Le +1

AI chatbots are widely used by children and teens today, but they pose significant risks to youth's privacy and safety due to both increasingly personal conversations and potential…

cs.CR2026★ 1 cited

VR ProfiLens: User Profiling Risks in Consumer Virtual Reality Apps

Ismat Jarin, Olivia Figueira, Yu Duan +2

Virtual reality (VR) platforms and apps collect user sensor data, including motion, facial, eye, and hand data, in abstracted form. These data may expose users to unique privacy ri…

cs.HC2025

When Kids Mode Isn't For Kids: Investigating TikTok's "Under 13 Experience"

Olivia Figueira, Pranathi Chamarthi, Tu Le +1

TikTok, the social media platform that is popular among children and adolescents, offers a more restrictive "Under 13 Experience" exclusively for young users in the US, also known…

cs.HC2024

VBIT: Towards Enhancing Privacy Control Over IoT Devices

Jad Al Aaraj, Olivia Figueira, Tu Le +3

Internet-of-Things (IoT) devices are increasingly deployed at home, at work, and in other shared and public spaces. IoT devices collect and share data with service providers and th…

cs.CR2024★ 4 cited

DiffAudit: Auditing Privacy Practices of Online Services for Children and Adolescents

Olivia Figueira, Rahmadi Trimananda, Athina Markopoulou +1

Children's and adolescents' online data privacy are regulated by laws such as the Children's Online Privacy Protection Act (COPPA) and the California Consumer Privacy Act (CCPA). O…