7 citations · 10 across the 9 of their papers we have counts for
8 papers · 1 filter
From Monoliths to Swarms: A Study of Attack Surface Evolution in the Transition to Multi-Agent Web Systems
Yashaswi Malla, Sandra Siby
Large Language Model (LLM)-based web agents are increasingly evolving from single-agent systems (SAS) to multi-agent systems (MAS). While MAS can lead to improved task performance…
Reckless Designs and Broken Promises: Privacy Implications of Targeted Interactive Advertisements on Social Media Platforms
Julia B. Kieserman, Athanasios Andreou, Laura Edelson +2
Popular social media platforms TikTok, Facebook and Instagram allow third-parties to run targeted advertising campaigns on sensitive attributes in-platform. These ads are interacti…
SINBAD: Saliency-informed detection of breakage caused by ad blocking
Saiid El Hajj Chehade, Sandra Siby, Carmela Troncoso
Privacy-enhancing blocking tools based on filter-list rules tend to break legitimate functionality. Filter-list maintainers could benefit from automated breakage detection tools th…
PURL: Safe and Effective Sanitization of Link Decoration
Shaoor Munir, Patrick Lee, Umar Iqbal +2
While privacy-focused browsers have taken steps to block third-party cookies and mitigate browser fingerprinting, novel tracking techniques that can bypass existing countermeasures…
COOKIEGRAPH: Understanding and Detecting First-Party Tracking Cookies
Shaoor Munir, Sandra Siby, Umar Iqbal +3
As third-party cookie blocking is becoming the norm in browsers, advertisers and trackers have started to use first-party cookies for tracking. We conduct a differential measuremen…
You get PADDING, everybody gets PADDING! You get privacy? Evaluating practical QUIC website fingerprinting protections for the masses
Sandra Siby, Ludovic Barman, Christopher Wood +3
Website fingerprinting (WF) is a well-know threat to users' web privacy. New internet standards, such as QUIC, include padding to support defenses against WF. Previous work only an…
WebGraph: Capturing Advertising and Tracking Information Flows for Robust Blocking
Sandra Siby, Umar Iqbal, Steven Englehardt +2
Millions of web users directly depend on ad and tracker blocking tools to protect their privacy. However, existing ad and tracker blockers fall short because of their reliance on t…
Encrypted DNS --> Privacy? A Traffic Analysis Perspective
Sandra Siby, Marc Juarez, Claudia Diaz +2
Virtually every connection to an Internet service is preceded by a DNS lookup which is performed without any traffic-level protection, thus enabling manipulation, redirection, surv…