activity
20172026
most citedDark Patterns at Scale: Findings from a Crawl of 11K Shopping Websites

705 citations · 947 across the 9 of their papers we have counts for

collaborators

10 papers

cs.CR2026

Physical Side-Channel Attacks on Edge LLMs: Extracting Output Tokens and User Prompts

Najeh Alhalawani, Gunes Acar, Zhuoran Liu +1

The deployment of large language models (LLMs) on edge devices is largely motivated by privacy concerns over sharing sensitive user data with cloud servers. In this paper, we demon…

cs.CL2026

ChildSafeAds Shared Task 2026: Commercial Content in Child-Facing YouTube Videos

Thales Bertaglia, Catalina Goanta, Gerasimos Spanakis +1

ChildSafeAds is a shared task on commercial content in YouTube videos likely to reach children and teenagers. The dataset contains 3,360 videos from 939 channels, each starting wit…

cs.CR2025

SoK: Advances and Open Problems in Web Tracking

Yash Vekaria, Yohan Beugin, Shaoor Munir +11

Web tracking is a pervasive and opaque practice that enables personalized advertising, retargeting, and conversion tracking. Over time, it has evolved into a sophisticated and inva…

cs.CL2025

On Fact and Frequency: LLM Responses to Misinformation Expressed with Uncertainty

Yana van de Sande, Gunes Açar, Thabo van Woudenberg +1

We study LLM judgments of misinformation expressed with uncertainty. Our experiments study the response of three widely used LLMs (GPT-4o, LlaMA3, DeepSeek-v2) to misinformation pr…

cs.CY2023

Targeted and Troublesome: Tracking and Advertising on Children's Websites

Zahra Moti, Asuman Senol, Hamid Bostani +4

On the modern web, trackers and advertisers frequently construct and monetize users' detailed behavioral profiles without consent. Despite various studies on web tracking mechanism…

cs.CR2021★ 1 cited

The CNAME of the Game: Large-scale Analysis of DNS-based Tracking Evasion

Yana Dimova, Gunes Acar, Lukasz Olejnik +2

Online tracking is a whack-a-mole game between trackers who build and monetize behavioral user profiles through intrusive data collection, and anti-tracking mechanisms, deployed as…

cs.CY2020★ 80 cited

Privacy Policies over Time: Curation and Analysis of a Million-Document Dataset

Ryan Amos, Gunes Acar, Eli Lucherini +3

Automated analysis of privacy policies has proved a fruitful research direction, with developments such as automated policy summarization, question answering systems, and complianc…

cs.CR2019★ 125 cited

IoT Inspector: Crowdsourcing Labeled Network Traffic from Smart Home Devices at Scale

Danny Yuxing Huang, Noah Apthorpe, Gunes Acar +2

The proliferation of smart home devices has created new opportunities for empirical research in ubiquitous computing, ranging from security and privacy to personal health. Yet, dat…

cs.HC2019★ 705 cited

Dark Patterns at Scale: Findings from a Crawl of 11K Shopping Websites

Arunesh Mathur, Gunes Acar, Michael J. Friedman +4

Dark patterns are user interface design choices that benefit an online service by coercing, steering, or deceiving users into making unintended and potentially harmful decisions. W…

cs.CR2017★ 36 cited

How Unique is Your .onion? An Analysis of the Fingerprintability of Tor Onion Services

Rebekah Overdorf, Marc Juarez, Gunes Acar +2

Recent studies have shown that Tor onion (hidden) service websites are particularly vulnerable to website fingerprinting attacks due to their limited number and sensitive nature. I…