Paper 'Hammurabi: A Framework for Pluggable, Logic-based X.509 Certificate Validation Policies' received Best Paper Honorable Mention at ACM CCS 2022
Paper 'GET /out: Automated Discovery of Application-Layer Censorship Evasion Strategies' presented at USENIX Security 2022
Paper 'Investigating Influencer VPN Ads on YouTube' presented at IEEE Security & Privacy 2022
Research on satellites broadcasting sensitive data in the clear covered by Wired (October 2025)
Co-designed and ran the 'Build it, break it, fix it' secure programming competition
Research Experience
Associate Professor, University of Maryland, Department of Computer Science
Founder of Breakerspace, a lab for undergraduate research in computer and network security
General Chair of ACM IMC 2021, ACM SOSR 2017, and HotNets 2013
Regularly serves on program committees (e.g., IEEE S&P 2023, PAM 2020) and NSF panels
Has visited Congress to advocate for increased national funding for scientific research
Background
Associate Professor in the Department of Computer Science at the University of Maryland
Research focuses on empirically measuring Internet security and designing new systems with provable and usable security using economics and cryptography
Research interests include the Web's PKI, censorship avoidance, DNS root servers, and more
Founded Breakerspace, a lab for undergraduate group research in computer and network security, to scale research opportunities for students
Co-Chair of the UMD CS Undergraduate Honors Program