Roya Ensafi

65 papers A* 22A 7B 2C 3Journal 21Unranked 8
YearRankTypeTitle / Venue / Authors
2025 J jnl
CenPush: Blocking-Resistant Control Channel Using Push Notifications.
Proc. Priv. Enhancing Technol.
Piyush Kumar Sharma, Diwen Xue, Aaron Ortwein, Cecylia Bocovich, Harry, Roya Ensafi
2025 — conf
CryptoFilter: Privacy-Preserving Traffic Analysis of Weak Transport Layer Encryption at Internet Gateways.
WPES
Benjamin Mixon-Baca, Diwen Xue, Roya Ensafi, Jedidiah R. Crandall
2025 J jnl
Fingerprinting Deep Packet Inspection Devices by Their Ambiguities.
CoRR
Diwen Xue, Armin Huremagic, Wayne Wang, Ram Sundara Raman, Roya Ensafi
2025 A* conf
Fingerprinting Deep Packet Inspection Devices by their Ambiguities.
CCS
Diwen Xue, Armin Huremagic, Wayne Wang, Ram Sundara Raman, Roya Ensafi
2025 J jnl
OpenVPN is Open to VPN Fingerprinting.
Commun. ACM
Diwen Xue, Reethika Ramesh, Arham Jain, Michalis Kallitsis, J. Alex Halderman, Jedidiah R. Crandall, Roya Ensafi
2025 — conf
Revealing Hidden Mechanisms of Cross-Country Content Moderation with Natural Language Processing.
ACL (Findings)
Neemesh Yadav, Jiarui Liu, Francesco Ortu, Roya Ensafi, Zhijing Jin, Rada Mihalcea
2025 J jnl
Revealing Hidden Mechanisms of Cross-Country Content Moderation with Natural Language Processing.
CoRR
Neemesh Yadav, Jiarui Liu, Francesco Ortu, Roya Ensafi, Zhijing Jin, Rada Mihalcea
2025 A* conf
The Discriminative Power of Cross-layer RTTs in Fingerprinting Proxy Traffic.
NDSS
Diwen Xue, Robert Stanley, Piyush Kumar, Roya Ensafi
2024 J jnl
Attacking Connection Tracking Frameworks as used by Virtual Private Networks.
Proc. Priv. Enhancing Technol.
Benjamin Mixon-Baca, Jeffrey Knockel, Diwen Xue, Tarun Ayyagari, Deepak Kapur, Roya Ensafi, Jedidiah R. Crandall
2024 A* conf
Bridging Barriers: A Survey of Challenges and Priorities in the Censorship Circumvention Landscape.
USENIX Security Symposium
Diwen Xue, Anna Ablove, Reethika Ramesh, Grace Kwak Danciu, Roya Ensafi
2024 A* conf
CalcuLatency: Leveraging Cross-Layer Network Latency Measurements to Detect Proxy-Enabled Abuse.
USENIX Security Symposium
Reethika Ramesh, Philipp Winter, Sam Korman, Roya Ensafi
2024 A* conf
Digital Discrimination of Users in Sanctioned States: The Case of the Cuba Embargo.
USENIX Security Symposium
Anna Ablove, Shreyas Chandrashekaran, Hieu Le, Ram Sundara Raman, Reethika Ramesh, Harry Oppenheimer, Roya Ensafi
2024 A* conf
Fingerprinting Obfuscated Proxy Traffic with Encapsulated TLS Handshakes.
USENIX Security Symposium
Diwen Xue, Michalis Kallitsis, Amir Houmansadr, Roya Ensafi
2024 A* conf
Modeling and Detecting Internet Censorship Events.
NDSS
Elisa Tsai, Ram Sundara Raman, Atul Prakash, Roya Ensafi
2024 J jnl
OpenVPN is Open to VPN Fingerprinting.
CoRR
Diwen Xue, Reethika Ramesh, Arham Jain, Michalis Kallitsis, J. Alex Halderman, Jedidiah R. Crandall, Roya Ensafi
2023 A* conf
"All of them claim to be the best": Multi-perspective study of VPN users and VPN providers.
USENIX Security Symposium
Reethika Ramesh, Anjali Vyas, Roya Ensafi
2023 J jnl
CERTainty: Detecting DNS Manipulation at Scale using TLS Certificates.
CoRR
Elisa Tsai, Deepak Kumar, Ram Sundara Raman, Gavin Li, Yael Eiger, Roya Ensafi
2023 J jnl
CERTainty: Detecting DNS Manipulation at Scale using TLS Certificates.
Proc. Priv. Enhancing Technol.
Elisa Tsai, Deepak Kumar, Ram Sundara Raman, Gavin Li, Yael Eiger, Roya Ensafi
2023 A* conf
Network Responses to Russia's Invasion of Ukraine in 2022: A Cautionary Tale for Internet Freedom.
USENIX Security Symposium
Reethika Ramesh, Ram Sundara Raman, Apurva Virkud, Alexandra Dirksen, Armin Huremagic, David Fifield, Dirk Rodenburg, Rod Hynes, Douglas Madory, Roya Ensafi
2022 J jnl
"All of them claim to be the best": Multi-perspective study of VPN users and VPN providers.
CoRR
Reethika Ramesh, Anjali Vyas, Roya Ensafi
2022 — ed.
6th Network Traffic Measurement and Analysis Conference, TMA 2022, Enschede, The Netherlands, June 27-30, 2022.
TMA
Roya Ensafi, Andra Lutu, Anna Sperotto, Roland van Rijswijk-Deij
2022 A* conf
A Large-scale Investigation into Geodifferences in Mobile Apps.
USENIX Security Symposium
Renuka Kumar, Apurva Virkud, Ram Sundara Raman, Atul Prakash, Roya Ensafi
2022 J jnl
A Study of Third-party Resources Loading on Web.
CoRR
Muhammad Ikram, Rahat Masood, Gareth Tyson, Mohamed Ali Kâafar, Roya Ensafi
2022 A conf
Network measurement methods for locating and examining censorship devices.
CoNEXT
Ram Sundara Raman, Mona Wang, Jakub Dalek, Jonathan R. Mayer, Roya Ensafi
2022 A* conf
OpenVPN is Open to VPN Fingerprinting.
USENIX Security Symposium
Diwen Xue, Reethika Ramesh, Arham Jain, Michalis Kallitsis, J. Alex Halderman, Jedidiah R. Crandall, Roya Ensafi
2022 A conf
TSPU: Russia's decentralized censorship system.
IMC
Diwen Xue, Benjamin Mixon-Baca, ValdikSS, Anna Ablove, Beau Kujath, Jedidiah R. Crandall, Roya Ensafi
2022 A* conf
VPNInspector: Systematic Investigation of the VPN Ecosystem.
NDSS
Reethika Ramesh, Leonid Evdokimov, Diwen Xue, Roya Ensafi
2021 J jnl
Challenges in cybersecurity: Lessons from biological defense systems.
CoRR
Edward C. Schrom II, Ann Kinzig, Stephanie Forrest, Andrea L. Graham, Simon A. Levin, Carl T. Bergstrom, Carlos Castillo-Chavez, James P. Collins, Rob J. De Boer, Adam Doupé, Roya Ensafi, Stuart I. Feldman, Bryan T. Grenfell, J. Alex Halderman, Silvie Huijben, Carlo C. Maley, Melanie E. Moses, Alan S. Perelson, Charles Perrings, Joshua B. Plotkin, Jennifer Rexford, Mohit Tiwari
2021 — conf
Lost in Transmission: Investigating Filtering of COVID-19 Websites.
Financial Cryptography (2)
Anjali Vyas, Ram Sundara Raman, Nick Ceccio, Philipp M. Lutscher, Roya Ensafi
2021 A conf
Throttling Twitter: an emerging censorship technique in Russia.
Internet Measurement Conference
Diwen Xue, Reethika Ramesh, Valdik S. S, Leonid Evdokimov, Andrey Viktorov, Arham Jain, Eric Wustrow, Simone Basso, Roya Ensafi
2020 — ed.
10th USENIX Workshop on Free and Open Communications on the Internet, FOCI 2020, August 11, 2020.
FOCI @ USENIX Security Symposium
Roya Ensafi, Hans Klein
2020 A* conf
Censored Planet: An Internet-wide, Longitudinal Censorship Observatory.
CCS
Ram Sundara Raman, Prerana Shenoy, Katharina Kohls, Roya Ensafi
2020 — conf
Characterizing Transnational Internet Performance and the Great Bottleneck of China.
SIGMETRICS (Abstracts)
Pengxiong Zhu, Keyu Man, Zhongjie Wang, Zhiyun Qian, Roya Ensafi, J. Alex Halderman, Hai-Xin Duan
2020 J jnl
Characterizing Transnational Internet Performance and the Great Bottleneck of China.
Proc. ACM Meas. Anal. Comput. Syst.
Pengxiong Zhu, Keyu Man, Zhongjie Wang, Zhiyun Qian, Roya Ensafi, J. Alex Halderman, Hai-Xin Duan
2020 A* conf
Decentralized Control: A Case Study of Russia.
NDSS
Reethika Ramesh, Ram Sundara Raman, Matthew Bernhard, Victor Ongkowijaya, Leonid Evdokimov, Anne Edmundson, Steven Sprecher, Muhammad Ikram, Roya Ensafi
2020 A conf
Investigating Large Scale HTTPS Interception in Kazakhstan.
Internet Measurement Conference
Ram Sundara Raman, Leonid Evdokimov, Eric Wustrow, J. Alex Halderman, Roya Ensafi
2020 J jnl
Measuring and Analysing the Chain of Implicit Trust: A Study of Third-party Resources Loading.
ACM Trans. Priv. Secur.
Muhammad Ikram, Rahat Masood, Gareth Tyson, Mohamed Ali Kâafar, Noha Loizon, Roya Ensafi
2020 A* conf
Measuring the Deployment of Network Censorship Filters at Global Scale.
NDSS
Ram Sundara Raman, Adrian Stoll, Jakub Dalek, Reethika Ramesh, Will Scott, Roya Ensafi
2019 A* conf
The Chain of Implicit Trust: An Analysis of the Web Third-party Resources Loading.
WWW
Muhammad Ikram, Rahat Masood, Gareth Tyson, Mohamed Ali Kâafar, Noha Loizon, Roya Ensafi
2019 J jnl
The Chain of Implicit Trust: An Analysis of the Web Third-party Resources Loading.
CoRR
Muhammad Ikram, Rahat Masood, Gareth Tyson, Mohamed Ali Kâafar, Noha Loizon, Roya Ensafi
2018 A conf
403 Forbidden: A Global View of CDN Geoblocking.
Internet Measurement Conference
Allison McDonald, Matthew Bernhard, Luke Valenta, Benjamin VanderSloot, Will Scott, Nick Sullivan, J. Alex Halderman, Roya Ensafi
2018 C conf
Nation-State Hegemony in Internet Routing.
COMPASS
Anne Edmundson, Roya Ensafi, Nick Feamster, Jennifer Rexford
2018 A* conf
Quack: Scalable Remote Measurement of Application-Layer Censorship.
USENIX Security Symposium
Benjamin VanderSloot, Allison McDonald, Will Scott, J. Alex Halderman, Roya Ensafi
2018 J jnl
Toward Continual Measurement of Global Network-Level Censorship.
IEEE Secur. Priv.
Paul Pearce, Roya Ensafi, Frank Li, Nick Feamster, Vern Paxson
2017 A conf
A look at router geolocation in public and commercial databases.
Internet Measurement Conference
Manaf Gharaibeh, Anant Shah, Bradley Huffaker, Han Zhang, Roya Ensafi, Christos Papadopoulos
2017 A* conf
Augur: Internet-Wide Detection of Connectivity Disruptions.
IEEE Symposium on Security and Privacy
Paul Pearce, Roya Ensafi, Frank Li, Nick Feamster, Vern Paxson
2017 A* conf
Global Measurement of DNS Manipulation.
USENIX Security Symposium
Paul Pearce, Ben Jones, Frank Li, Roya Ensafi, Nick Feamster, Nicholas Weaver, Vern Paxson
2017 J jnl
Global-Scale Measurement of DNS Manipulation.
login Usenix Mag.
Paul Pearce, Ben Jones, Frank Li, Roya Ensafi, Nick Feamster, Nicholas Weaver, Vern Paxson
2016 B conf
A Case Study of Traffic Demand Response to Broadband Service-Plan Upgrades.
PAM
Sarthak Grover, Roya Ensafi, Nick Feamster
2016 A* conf
A First Look into Transnational Routing Detours.
SIGCOMM
Anne Edmundson, Roya Ensafi, Nick Feamster, Jennifer Rexford
2016 J jnl
Characterizing and Avoiding Routing Detours Through Surveillance States.
CoRR
Anne Edmundson, Roya Ensafi, Nick Feamster, Jennifer Rexford
2016 A* conf
Identifying and Characterizing Sybils in the Tor Network.
USENIX Security Symposium
Philipp Winter, Roya Ensafi, Karsten Loesing, Nick Feamster
2016 J jnl
Identifying and characterizing Sybils in the Tor network.
CoRR
Philipp Winter, Roya Ensafi, Karsten Loesing, Nick Feamster
2015 J jnl
Analyzing the Great Firewall of China Over Space and Time.
Proc. Priv. Enhancing Technol.
Roya Ensafi, Philipp Winter, Abdullah Mueen, Jedidiah R. Crandall
2015 — conf
Ethical Concerns for Censorship Measurement.
NS Ethics@SIGCOMM
Ben Jones, Roya Ensafi, Nick Feamster, Vern Paxson, Nicholas Weaver
2015 A conf
Examining How the Great Firewall Discovers Hidden Circumvention Servers.
Internet Measurement Conference
Roya Ensafi, David Fifield, Philipp Winter, Nick Feamster, Nicholas Weaver, Vern Paxson
2014 — conf
A Case Study in Helping Students to Covertly Eat Their Classmates.
3GSE
Roya Ensafi, Mike Jacobi, Jedidiah R. Crandall
2014 B conf
Detecting Intentional Packet Drops on the Internet via TCP/IP Side Channels.
PAM
Roya Ensafi, Jeffrey Knockel, Geoffrey Alexander, Jedidiah R. Crandall
2014 J jnl
Large-scale Spatiotemporal Characterization of Inconsistencies in the World's Largest Firewall.
CoRR
Roya Ensafi, Philipp Winter, Abdullah Mueen, Jedidiah R. Crandall
2013 J jnl
Detecting Intentional Packet Drops on the Internet via TCP/IP Side Channels: Extended Version.
CoRR
Roya Ensafi, Jeffrey Knockel, Geoffrey Alexander, Jedidiah R. Crandall
2012 — conf
Students Who Don't Understand Information Flow Should Be Eaten: An Experience Paper.
CSET
Roya Ensafi, Mike Jacobi, Jedidiah R. Crandall
2010 A* conf
Idle Port Scanning and Non-interference Analysis of Network Protocol Stacks Using Model Checking.
USENIX Security Symposium
Roya Ensafi, Jong Chun Park, Deepak Kapur, Jedidiah R. Crandall
2008 C conf
Optimizing Fuzzy K-means for network anomaly detection using PSO.
AICCSA
Roya Ensafi, Soheila Dehghanzadeh, Mohammad R. Akbarzadeh-Totonchi
2008 C conf
The ecology of Malware.
NSPW
Jedidiah R. Crandall, Roya Ensafi, Stephanie Forrest, Joshua Ladau, Bilal Shebaro
2007 — conf
A Fuzzy-Based Multi-criteria Scheduler for Uniform Multiprocessor Real-Time Systems.
ICIT
Vahid Salmani, Roya Ensafi, Narges Khatib-Astaneh, Mahmoud Naghibzadeh