Enze "Alex" Liu

Computer Security and Privacy Researcher

Preprints


arXiv
2024 		Count of Monte Crypto: Accounting-based Defenses for Cross-Chain Bridges
Enze Liu, Elisa Luo, Jian Chen Yan, Katherine Izhikevich, Stewart Grant, Deian Stefan, Geoffrey M. Voelker, Stefan Savage
[Paper]

Research


ACM IMC
2025 		Somesite I Used To Crawl: Awareness, Agency and Efficacy in Protecting Content Creators From AI Crawlers
Enze Liu, Elisa Luo (co-first), Shawn Shan, Geoffrey M. Voelker, Ben Y. Zhao, Stefan Savage
Proceedings of the 2025 Internet Measurement Conference (IMC '25)
[Paper (forthcoming)]
ACM CSLAW
2025 		An Empirical Analysis on the Use and Reporting of National Security Letters
(alphabetical) Alex Bellon, Miro Haller, Andrey Labunets, Enze Liu, Stefan Savage
Proceedings of the 4th ACM Symposium on Computer Science and Law (CSLAW '25)
[Paper]
ACM IMC
2024 		Give and Take: An End-To-End Investigation of Giveaway Scam Conversion Rates
Enze Liu, George Kappos, Eric Mugnier, Luca Invernizzi, Stefan Savage, David Tao, Kurt Thomas, Geoffrey M. Voelker, Sarah Meiklejohn
Proceedings of the 2024 Internet Measurement Conference (IMC '24)
[Paper] [Dataset]
ACM WWW
2024 (Oral) 		Unfiltered: Measuring Cloud-based Email Filtering Bypasses
Sumanth Rao, Enze Liu, Grant Ho, Geoffrey M. Voelker, Stefan Savage
Proceedings of the 2024 ACM Web Conference (WWW '24 Oral)
[Paper] [Open Review]
ACM CSCW
2024 		NewsGuesser: Using Curiosity to Reduce Selective Exposure
Lu Sun, Hengyuan Zhang, Enze Liu, Mingyang Liu, Kristen Vaccaro
Proceedings of the 27th ACM Conference On Computer-Supported Cooperative Work And Social Computing (CSCW '24)
[Paper]
WORDS
2023 		Limited Access: The Truth Behind Far Memory
Anil Yelam, Stewart Grant, Enze Liu, Radhika Niranjan Mysore, Marcos K. Aguilera, Amy Ousterhout, Alex C. Snoeren
Proceedings of the Workshop on Resource Disaggregation and Serverless Computing (WORDS '23)
[Paper]
SOUPS
2023 		Understanding the Viability of Gmail's Origin Indicator for Identifying the Sender
Enze Liu, Lu Sun, Alex Bellon, Grant Ho, Geoffrey M. Voelker, Stefan Savage, Imani N. S. Munyaka
Proceedings of the 19th Symposium on Usable Privacy and Security (SOUPS '23)
[Paper] [Slides]
IEEE EuroS&P
2023 		Forward Pass: On the Security Implications of Email Forwarding Mechanism and Policy
Enze Liu, Gautam Akiwate, Mattijs Jonker, Ariana Mirian, Grant Ho, Geoffrey M. Voelker, Stefan Savage
Proceedings of the 8th IEEE European Symposium on Security and Privacy (EuroS&P '23)
[Paper] Best Paper Award (1/180) Finalist at CSAW 2023 Applied Research Competition (10/161)
Media Coverage: The Register, Cyberscoop
Invited Talks at: ICANN DNSSEC Workshop, M3AAWG (twice), Google, Stanford University (Slides), and Cornell Tech.
PETS
2023 		No Privacy Among Spies: Assessing the Functionality and Insecurity of Consumer Android Spyware Apps
Enze Liu, Sumanth Rao, Sam Havron, Grant Ho, Stefan Savage, Geoffrey M. Voelker, Damon McCoy
Proceedings of the 23rd Privacy Enhancing Technologies Symposium (PETS '23)
[Paper] [Slides]
Media Coverage: Featured on the front page of UC San Diego News and University of California News. CACM News, Hacker News, Tech Xplore, SCIENMAG, CTV News, German Prevention Congress News, KPBS
Invited Talks at: FTC Privacy Con 24.
ACM IMC
2021 		Who's Got Your Mail? Characterizing Mail Service Provider Usage
Enze Liu, Gautam Akiwate, Mattijs Jonker, Ariana Mirian, Stefan Savage, Geoffrey M. Voelker
Proceedings of the 2021 ACM Internet Measurement Conference (IMC '21)
[Paper] [Code] [Slides] [Talk]
ACM IMC
2021 		Home is Where the Hijacking is: Understanding DNS Interception by Residential Routers
Audrey Randall, Enze Liu, Ramakrishna Padmanabhan, Gautam Akiwate, Geoffrey M. Voelker, Stefan Savage, Aaron Schulman
Proceedings of the 2021 ACM Internet Measurement Conference (IMC '21)
[Paper]
ACM IMC
2020 		Trufflehunter: Cache Sniffing Rare Domains at Large Public DNS Resolvers
Audrey Randall, Enze Liu, Gautam Akiwate, Ramakrishna Padmanabhan, Geoffrey M. Voelker, Stefan Savage, Aaron Schulman
Proceedings of the ACM Internet Measurement Conference 2020 (IMC '20)
[Paper] [Code] IRTF Applied Networking Research Prize
IEEE S&P
2019 		Reasoning Analytically About Password-Cracking Software
Enze Liu, Amanda Nakanishi, Maximilian Golla, David Cash, Blase Ur
Proceedings of the 40th IEEE Symposium on Security and Privacy (S&P '19)
[Paper] [Code] [Slides] [Talk]