2 citations · 5 across the 11 of their papers we have counts for
7 papers · 1 filter
Privacy Practices of Browser Agents
Alisha Ukani, Hamed Haddadi, Ali Shahin Shamsabadi +1
This paper presents a systematic evaluation of the privacy behaviors and attributes of eight recent, popular browser agents. Browser agents are software that automate Web browsing…
Local Frames: Exploiting Inherited Origins to Bypass Content Blockers
Alisha Ukani, Hamed Haddadi, Alex C. Snoeren +1
We present a study of how local frames (i.e., iframes loading content like "about:blank") are mishandled by a wide range of popular Web security and privacy tools. As a result, use…
Measuring the Accuracy and Effectiveness of PII Removal Services
Jiahui He, Pete Snyder, Hamed Haddadi +2
This paper presents the first large-scale empirical study of commercial personally identifiable information (PII) removal systems -- commercial services that claim to improve priva…
NoEsis: Differentially Private Knowledge Transfer in Modular LLM Adaptation
Rob Romijnders, Stefanos Laskaridis, Ali Shahin Shamsabadi +1
Large Language Models (LLM) are typically trained on vast amounts of data from various sources. Even when designed modularly (e.g., Mixture-of-Experts), LLMs can leak privacy on th…
Web Execution Bundles: Reproducible, Accurate, and Archivable Web Measurements
Florian Hantke, Peter Snyder, Hamed Haddadi +1
Recently, reproducibility has become a cornerstone in the security and privacy research community, including artifact evaluations and even a new symposium topic. However, Web measu…
Nebula: Efficient, Private and Accurate Histogram Estimation
Ali Shahin Shamsabadi, Peter Snyder, Ralph Giles +2
We present \textit{Nebula}, a system for differentially private histogram estimation on data distributed among clients. \textit{Nebula} allows clients to independently decide wheth…
Unbundle-Rewrite-Rebundle: Runtime Detection and Rewriting of Privacy-Harming Code in JavaScript Bundles
Mir Masood Ali, Peter Snyder, Chris Kanich +1
This work presents Unbundle-Rewrite-Rebundle (URR), a system for detecting privacy-harming portions of bundled JavaScript code and rewriting that code at runtime to remove the priv…