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I am attending USENIX Security 2026 and also presenting a poster (https://yohan.beugin.org/files/posters/2026-adoption.pdf) on my latest work: Lessons from the Adoption and Deprecation of the Privacy Sandbox Web APIs (https://arxiv.org/abs/2606.26390).
I am attending PETS 2026 as artifact chair, chair for the web privacy session, and also presenting a poster (https://yohan.beugin.org/files/posters/2026-adoption.pdf) on my latest work: Lessons from the Adoption and Deprecation of the Privacy Sandbox Web APIs (https://arxiv.org/abs/2606.26390).
I am giving a guest talk at UCalgary: Lessons from Analyzing Google’s Privacy Sandbox Proposals. Thank you Miti for hosting me!
Authors: Yohan Beugin, Paul Barford, Patrick McDaniel - Here is the arXiv link (https://doi.org/10.48550/arXiv.2606.2639057) and the code (https://github.com/privacysandstorm/ps-api-adoption-deprecation).
I am attending IEEE S&P 2026 and presenting a poster (https://yohan.beugin.org/files/posters/2026-sok.pdf) on our recent SoK: Advances and Open Problems in Web Tracking (https://arxiv.org/abs/2506.14057).
I am giving a guest talk at UCDavis: Lessons from Analyzing Google’s Privacy Sandbox Proposals (https://engineering.ucdavis.edu/events/computer-science-colloquium-series-lessons-analyzing-googles-privacy-sandbox-proposals). Thank you Zubair for hosting me!
Authors: Jean-Charles Noirot Ferrand, Kyle Domico, Yohan Beugin, Patrick McDaniel - Here is the arXiv link (https://doi.org/10.48550/arXiv.2605.07900).
I am presenting a poster (https://yohan.beugin.org/files/posters/2026-uw-capitol.pdf) on my research on web tracking at the UW-Madison Day at the Capitol (https://staterelations.wisc.edu/uw-madison-day-at-the-capitol/).
Title: Honey Configs: Measuring The Emerging Exploitation of Cloud IP - Authors: Eric Pauley, Yohan Beugin, Paul Barford, Patrick Traynor, Patrick McDaniel
The 2025 Web Almanac was released today, this is an annual "state of the web" report published by the HTTP Archive. This year, I contributed as an author to the Cookies chapter (https://almanac.httparchive.org/en/2025/cookies).
Title: Targeting Alignment: Extracting Safety Classifiers of Aligned LLMs - Authors: Jean-Charles Noirot Ferrand, Yohan Beugin, Eric Pauley, Ryan Sheatsley, Patrick McDaniel - Here is the arXiv link (https://doi.org/10.48550/arXiv.2501.16534) and the code (https://github.com/MadSP-McDaniel/targeting-alignment).
Title: Technical Report: The Need for a (Research) Sandstorm through the Privacy Sandbox - Authors: Yohan Beugin, Patrick McDaniel - Research portal: https://privacysandstorm.com/
Overview of Typst, a new markup-based typesetting system and ecosystem that feels mature enough to start taking on and replacing LaTex for several use cases, and how I have started to use it for several documents like my CV and also my slides: https://yohan.beugin.org/posts/2025_11_new_slides_setup.html
Quick trick to remove AI-generated content from my search results: https://yohan.beugin.org/posts/2025_10_no_ai_content_in_search_results.html
Some notes and fixes after the upgrade of my laptop from bookworm to trixie; the latest stable version of the Debian distributiona are posted here: https://yohan.beugin.org/posts/2025_09_trixie_upgrade_notes.html
Title: LibIHT: A Hardware-Based Approach to Efficient and Evasion-Resistant Dynamic Binary Analysis - Authors: Changyu Zhao, Yohan Beugin, Jean-Charles Noirot Ferrand, Quinn Burke, Guancheng Li, Patrick McDaniel - Code: https://github.com/libiht/libiht
I have been recognized as a Distinguished Artifact Reviewer at the 34th USENIX Security Symposium (USENIX Security '25), three years in a row!
I have been recognized as a Distinguished Artifact Reviewer at the 25th Privacy Enhancing Technologies Symposium (PETS 2025). I am also happy to announce that I will be serving as Artifact Chair for PETS 2026 and 2027! If you have any suggestions for the artifact process, feel free to reach out (artifact26@petsymposium.org).
Title: On the Robustness Tradeoff in Fine-Tuning - Authors: Kunyang Li, Jean-Charles Noirot Ferrand, Ryan Sheatsley, Blaine Hoak, Yohan Beugin, Eric Pauley, Patrick McDaniel - Here is the arXiv link (https://doi.org/10.48550/arXiv.2503.14836) and the code (https://github.com/kyangl/robustness-finetuning).
Authors: Yash Vekaria, Yohan Beugin, Shaoor Munir, Gunes Acar, Nataliia Bielova, Steven Englehardt, Umar Iqbal, Alexandros Kapravelos, Pierre Laperdrix, Nick Nikiforakis, Jason Polakis, Franziska Roesner, Zubair Shafiq, Sebastian Zimmeck - Here is the arXiv link (https://doi.org/10.48550/arXiv.2506.14057) and the extended live version…
I am excited to be in Mountain View, CA for the Google Research Conference on Ads Privacy. Thanks a lot to Google for the invitation and the travel award to support my participation! I am looking forward to the talks, discussion, and networking. I will be presenting my poster "Privacy & Utility Analyses of the Topics API for the Web"…
The research proposal written with my advisor has been shortlisted as finalist for the SAMSUNG START program.
Title: Efficient Storage Integrity in Adversarial Settings - Authors: Quinn Burke, Ryan Sheatsley, Yohan Beugin, Eric Pauley, Owen Hines, Michael Swift, Patrick McDaniel - Here is the arXiv link (https://doi.org/10.48550/arXiv.2504.07041) and the code (https://github.com/MadSP-McDaniel/pac).
Authors: Jean-Charles Noirot Ferrand, Yohan Beugin, Eric Pauley, Ryan Sheatsley, Patrick McDaniel - Here is the arXiv link (https://doi.org/10.48550/arXiv.2501.16534) and code (https://github.com/MadSP-McDaniel/targeting-alignment).
The 2024 Web Almanac was released today, this is an annual "state of the web" report published by the HTTP Archive. This year's edition introduces a dedicated chapter on Cookies on which I contributed as an author and analyst (https://almanac.httparchive.org/en/2024/cookies).
Title: Securing Cloud File Systems with Trusted Execution - Authors: Quinn Burke, Yohan Beugin, Blaine Hoak, Rachel King, Eric Pauley, Ryan Sheatsley, Mingli Yu, Ting He, Thomas La Porta, Patrick McDaniel - Here is the arXiv link (https://doi.org/10.48550/arXiv.2305.18639) and code (https://github.com/MadSP-McDaniel/bfs).
Title: Secure IP Address Allocation at Cloud Scale - Authors: Eric Pauley, Kyle Domico, Blaine Hoak, Ryan Sheatsley, Quinn Burke, Yohan Beugin, Engin Kirda, Patrick McDaniel - Here is the arXiv link (https://doi.org/10.48550/arXiv.2210.14999) and the code (https://github.com/MadSP-McDaniel/eipsim).
Title: ParTEETor: A System for Partial Deployments of TEEs within Tor - Authors: Rachel King, Quinn Burke, Yohan Beugin, Blaine Hoak, Kunyang Li, Eric Pauley, Ryan Sheatsley, Patrick McDaniel - Here is the arXiv link: https://doi.org/10.48550/arXiv.2408.14646
I have been recognized as a Distinguished Artifact Reviewer at the 33rd USENIX Security Symposium (USENIX Security '24), two years in a row!
This year at PETS'24, I obtained the Andreas Pfitzmann Best Student Paper Award Runner-up (https://petsymposium.org/2024/student-paper-award.php) for the following paper! - Title: Interest-disclosing Mechanisms for Advertising are Privacy-Exposing (not Preserving) - Authors: Yohan Beugin and Patrick McDaniel - Link: https://doi.org/10.56553/popets-2024-0004
This week, I am in Bristol, UK to attend the 24th Privacy Enhancing Technologies Symposium (PETS'24) (https://petsymposium.org/2024). I will be presenting my research on the Topics API for the Web (paper + poster) and I will also be talking about Google's Privacy Sandbox initiative during HotPETS on Friday.
I am excited to be in Switzerland in Lausanne for the EPFL Summer Research Institute (SuRI) 2024 (https://suri.epfl.ch/). Thanks to the organizers for awarding me a Ph.D. Student Fellowship to support my participation! I am looking forward to the talks, discussion, and networking opportunities. I will also be presenting my poster (https://yohan.beugin.org/files/posters/2024_topics_pets_secweb.pdf)…
This is a blog post (https://yohan.beugin.org/posts/2024_06_slides_setup.html) about my new setup to generate presentations using Markdown files parsed by pandoc into a reveal.js HTML presentation. This new setup supports several features that I had long been looking for on GNU/Linux. - You can find the code here (https://github.com/yohhaan/pandoc-reveal.js-slides) and a demo there…
Title: A Public and Reproducible Assessment of the Topics API on Real Data - Authors: Yohan Beugin and Patrick McDaniel - Here is the arXiv link (https://doi.org/10.48550/arXiv.2403.19577) and the code (https://github.com/yohhaan/topics_api_analysis)
In this blog post (https://yohan.beugin.org/posts/2024_02_topics_api_web_classifier.html), I discuss why I needed to reimplement the Topics API for the web for my research (code here: https://github.com/yohhaan/topics_classifier) and explain how the classification in Chrome is actually performed by presenting all pre- and post-processing steps used by Google. I also discuss a formatting issue…
A non-exhaustive list of different advice and recommendations about online security and privacy and some tips if you are using Mozilla Firefox: https://yohan.beugin.org/posts/2024_01_general_tips_online_security_privacy.html - https://yohan.beugin.org/posts/2024_01_firefox_privacy_settings_extensions.html
The source code (https://github.com/yohhaan/topics_analysis) of our privacy and utility analysis of the Topics API for the Web (to appear at PETS 2024 - https://doi.org/10.56553/popets-2024-0004) obtained the Reproduced (and Available) Artifact Badge!
Here is the work of 2 M.S. students I mentored during our last months at Penn State: - Systematic Evaluation of Geolocation Privacy Mechanisms (https://doi.org/10.48550/arXiv.2309.06263) - Characterizing the Modification Space of Signature IDS Rules (https://doi.org/10.1109/MILCOM58377.2023.10356225)
Title: Interest-disclosing Mechanisms for Advertising are Privacy-Exposing (not Preserving) - Authors: Yohan Beugin and Patrick McDaniel - Here is the arXiv link (https://doi.org/10.48550/arXiv.2306.03825) and the code (https://github.com/yohhaan/topics_analysis).
I have been recognized as a Distinguished Artifact Reviewer at the 32nd USENIX Security Symposium (USENIX Security '23)!
Authors: Yohan Beugin and Patrick McDaniel - Here is the arXiv link: https://doi.org/10.48550/arXiv.2306.03825