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2023

  pdf    www  No Root Store Left Behind
James Larisch, Waqar Aqeel, Taejoong Chung, Eddie Kohler, Dave Levin, Bruce Maggs, Bryan Parno, Christo Wilson
ACM HotNets 2023
  pdf    www  Global, Passive Detection of Connection Tampering
Ram Sundara Raman, Louis-Henri Merino, Kevin Bock, Marwan Fayed, Dave Levin, Nick Sullivan, Luke Valenta
ACM SIGCOMM 2023
  pdf    www  IPv6 Hitlists at Scale: Be Careful What You Wish For
Erik Rye, Dave Levin
ACM SIGCOMM 2023
  pdf    www  How the Great Firewall of China Detects and Blocks Fully Encrypted Traffic
Mingshi Wu, Jackson Sippe, Danesh Sivakumar, Jack Burg, Peter Anderson, Xiaokang Wang, Kevin Bock, Amir Houmansadr, Dave Levin, Eric Wustrow
USENIX Security 2023
Applied Networking Research Prize 2024 CSAW Applied Research Award 2023 FOCI'23 Best Practical Award
  pdf    www  Blue Is the New Black (Market): Privacy Leaks and Re-Victimization from Police-Auctioned Cellphones
Richard Roberts, Julio Poveda, Raley Roberts, Dave Levin
Oakland 2023 (IEEE Symposium on Security and Privacy)
  pdf    www  Measuring and Evading Turkmenistan's Internet Censorship
Sadia Nourin, Van Tran, Xi Jiang, Kevin Bock, Nick Feamster, Nguyen Phong Hoang, Dave Levin
WWW 2023 (The Web Conference)
  pdf    www  Provably Avoiding Geographic Regions for Tor's Onion Services
Arushi Arora, Raj Karra, Dave Levin, Christina Garman
FC 2023 (Financial Cryptography and Data Security)
  pdf    www  How to Count Bots in Longitudinal Datasets of IP Addresses
Leon Böck, Dave Levin, Ramakrishna Padmanabhan, Christian Doerr, Max Mühlhäuser
NDSS 2023 (Network and Distributed System Security Symposium)
  pdf    www  A Global Measurement of Routing Loops on the Internet
Abdulrahman Alaraj, Kevin Bock, Dave Levin, Eric Wustrow
PAM 2023 (Passive and Active Measurement Conference)
  pdf    www  Detecting Network Interference Without Endpoint Participation
Sadia Nourin, Kevin Bock, Nguyen Phong Hoang, Dave Levin
FOCI 2023 (Workshop on Free and Open Communication on the Internet)
  pdf    www  Towards a Comprehensive Understanding of Russian Transit Censorship
Aaron Ortwein, Kevin Bock, Dave Levin
FOCI 2023 (Workshop on Free and Open Communication on the Internet)
  pdf    www  Crowdsourcing the Discovery of Server-side Censorship Evasion Strategies
Nhi Tran, Kevin Bock, Dave Levin
FOCI 2023 (Workshop on Free and Open Communication on the Internet)

2022

  pdf    www  A Comparative Analysis of Certificate Pinning in Android & iOS
Amogh Pradeep, Muhammad Talha Paracha, Protick Bhowmick, Ali Davanian, Abbas Razaghpanah, Taejoong Chung, Martina Lindorfer, Narseo Vallina-Rodriguez, Dave Levin, David Choffnes
ACM IMC 2022 (Internet Measurement Conference) Long paper
  pdf    www  Hammurabi: A Framework for Pluggable, Logic-based X.509 Certificate Validation Policies
James Larisch, Waqar Aqeel, Michael Lum, Yaelle Goldschlag, Kasra Torshizi, Leah Kannan, Yujie Wang, Taejoong Chung, Dave Levin, Bruce M. Maggs, Alan Mislove, Bryan Parno, Christo Wilson
ACM CCS 2022
Best paper honorable mention
  pdf    www  GET /out: Automated Discovery of Application-Layer Censorship Evasion Strategies
Michael Harrity, Kevin Bock, Frederick Sell, Dave Levin
USENIX Security 2022
  pdf   Investigating Influencer VPN Ads on YouTube
Omer Akgul, Richard Roberts, Moses Namara, Dave Levin, Michelle L. Mazurek
Oakland 2022 (IEEE Symposium on Security and Privacy)
  Talk   Insights and Experiences from Monitoring Multiple P2P Botnets
Leon Böck, Shankar Karuppayah, Max Mühlhäuser, Dave Levin
Botconf 2022 (The Botnet Fighting Conference)

2021

  pdf    www  Weaponizing Middleboxes for TCP Reflected Amplification
Kevin Bock, Abdulrahman Alaraj, Yair Fax, Kyle Hurley, Eric Wustrow, Dave Levin
USENIX Security 2021
Distinguished paper award Internet Defense Prize
  pdf    www  Bento: Safely Bringing Network Function Virtualization to Tor
Michael Reininger, Arushi Arora, Stephen Herwig, Nicholas Francino, Jayson Hurst, Christina Garman, Dave Levin
ACM SIGCOMM 2021
  pdf   The Ties that un-Bind: Decoupling IP from web services and sockets for robust addressing agility at CDN-scale
Marwan Fayed, Lorenz Bauer, Vasileios Giotsas, Sami Kerola, Marek Majkowski, Pavel Odinstov, Jakub Sitnicki, Taejoong Chung, Dave Levin, Alan Mislove, Christopher A. Wood, Nick Sullivan
ACM SIGCOMM 2021
  pdf    www  Measurement and Analysis of Automated Certificate Reissuance
Olamide Omolola, Richard Roberts, Ishtiaq Ashiq, Taejoong Chung, Dave Levin, Alan Mislove
PAM 2021 (Passive and Active Measurement Conference)
  pdf   Under the Hood of the Ethereum Gossip Protocol
Lucianna Kiffer, Asad Salman, Dave Levin, Alan Mislove, Cristina Nita-Rotaru
FC 2021 (Financial Cryptography and Data Security)
  pdf    www  Sound Methodology for Downloading Webpages
Soumya Indela, Dave Levin
TMA 2021 (Network Traffic Measurement and Analysis Conference)
  pdf    www  Even Censors Have a Backup: Examining the GFW’s Double HTTPS Censorship System
Kevin Bock, Gabriel Naval, Kyle Reese, Dave Levin
FOCI 2021 (ACM Workshop on Free and Open Communications on the Internet)
  pdf    www  Your Censor is My Censor: Weaponizing Censorship Infrastructure for Availability Attacks
Kevin Bock, Pranav Bharadwaj, Jasraj Singh, Dave Levin
WOOT 2021 (IEEE Workshop on Offensive Technologies)

2020

  pdf    www  Come as You Are: Helping Unmodified Clients Bypass Censorship with Server-side Evasion
Kevin Bock, George Hughey, Louis-Henri Merino, Tania Arya, Daniel Liscinsky, Regina Pogosian, Dave Levin
ACM SIGCOMM 2020
Applied Networking Research Prize 2021
  pdf    www  Achieving Keyless CDNs with Conclaves
Stephen Herwig, Christina Garman, Dave Levin
USENIX Security 2020
  pdf    www  Build It, Break It, Fix It: Contesting Secure Development
James Parker, Michael Hicks, Andrew Ruef, Michelle L. Mazurek, Dave Levin, Daniel Votipka, Piotr Mardziel, Kelsey R. Fulton
ACM Transactions on Privacy and Security (TOPS), March 2020
  pdf    www  A Deeper Look at Web Content Availability and Consistency over HTTP/S
Muhammad Talha Paracha, Balakrishnan Chandrasekara, David Choffnes, Dave Levin
TMA 2020 (Network Traffic Measurement and Analysis Conference)
  pdf    www  Detecting and Evading Censorship-in-Depth: A Case Study of Iran's Protocol Filter
Kevin Bock, Yair Fax, Kyle Reese, Jasraj Singh, Dave Levin
FOCI 2020 (USENIX Workshop on Free and Open Communications on the Internet)
  pdf    www  Assertion-Carrying Certificates
Waqar Aqeel, Zachary Hanif, James Larisch, Olamide Omolola, Taejoong Chung, Dave Levin, Bruce Maggs, Alan Mislove, Bryan Parno, Christo Wilson
FCS 2020 (Workshop on Foundations of Computer Security)
  pdf    www  .how .you .spot .whoswho .online .sucks: Deceiving Users with Generic Top-Level Domains
Richard Roberts, Rachel Walter, Daniela Lulli, Dave Levin
ConPro 2020 (Workshop on Technology and Consumer Protection) Accepted Talk
  pdf    www  Mental Models of Domain Names and URLs
Richard Roberts, Daniela Lulli, Abolee Raut, Kelsey Fulton, Dave Levin
Poster at SOUPS 2020 (Symposium On Usable Privacy and Security)

2019

  pdf    www  Geneva: Evolving Censorship Evasion Strategies
Kevin Bock, George Hughey, Xiao Qiang, Dave Levin
ACM CCS 2019 (Conference on Computer and Communications Security)
  pdf    www  You Are Who You Appear to Be: A Longitudinal Study of Domain Impersonation in TLS Certificates
Richard Roberts, Yaelle Goldschlag, Rachel Walter, Taejoong Chung, Alan Mislove, Dave Levin
ACM CCS 2019 (Conference on Computer and Communications Security)
  pdf    www  RPKI is Coming of Age: A Longitudinal Study of RPKI Deployment and Invalid Route Origins
Taejoong Chung, Emile Aben, Tim Bruijnzeels, Balakrishnan Chandrasekaran, David Choffnes, Dave Levin, Bruce M. Maggs, Alan Mislove, Roland van Rijswijk-Deij, John P. Rula, Nick Sullivan
ACM IMC 2019 (Internet Measurement Conference) Long paper
  pdf    www  Residential Links Under the Weather
Ramakrishna Padmanabhan, Aaron Schulman, Dave Levin, Neil Spring
ACM SIGCOMM 2019
  pdf    www  Measurement and Analysis of Hajime, a Peer-to-peer IoT Botnet
Stephen Herwig, Katura Harvey, George Hughey, Richard Roberts, Dave Levin
NDSS 2019 (Network and Distributed System Security Symposium)
Featured in IEEE Wireless Communication 2019's Scanning the Literature.
  pdf    www  How to find correlated Internet failures
Ramakrishna Padmanabhan, Aaron Schulman, Alberto Dainotti, Dave Levin, Neil Spring
PAM 2019 (Passive and Active Measurement Conference)
  pdf    www  When Certificate Transparency Is Too Transparent: Analyzing Information Leakage in HTTPS Domain Names
Richard Roberts, Dave Levin
WPES 2019 (Workshop on Privacy in the Electronic Society) Short paper
  pdf   Measuring TLS key exchange with post-quantum KEM
Krzysztof Kwiatkowski, Nick Sullivan, Adam Langley, Dave Levin, Alan Mislove
NIST Second PQC Standardization Conference, 2019
 www  Automatically Learning How to Evade Censorship
Dave Levin
USENIX ScAINet 2019 (Security and AI Networking Conference)

2018

  pdf    www  Internet Anycast: Performance, Problems and Potential
Zhihao Li, Dave Levin, Neil Spring, Bobby Bhattacharjee
ACM SIGCOMM 2018
  pdf    www  Is the Web Ready for OCSP Must Staple?
Taejoong Chung, Jay Lok, Balakrishnan Chandrasekaran, David Choffnes, Dave Levin, Bruce Maggs, Alan Mislove, John Rula, Nick Sullivan, Christo Wilson
ACM IMC 2018 (Internet Measurement Conference) Long paper
  pdf   Analyzing Ethereum's Contract Topology
Lucianna Kiffer, Dave Levin, Alan Mislove
ACM IMC 2018 (Internet Measurement Conference) Short paper
  pdf    www  King of the Hill: A Novel Cybersecurity Competition for Teaching Penetration Testing
Kevin Bock, George Hughey, Dave Levin
USENIX ASE 2018 (Workshop on Advances in Security Education)
  cacm    www  Analysis of SSL Certificate Reissues and Revocations in the Wake of Heartbleed
Liang Zhang, David Choffnes, Tudor Dumitraş, Dave Levin, Alan Mislove, Aaron Schulman, Christo Wilson
Communications of the ACM Research Highlights, March 2018, Vol. 61, No. 3

2017

  pdf    www  An End-to-End View of DNSSEC Ecosystem Management
Taejoong Chung, Roland van Rijswijk-Deij, Balakrishnan Chandrasekaran, David Choffnes, Dave Levin, Bruce M. Maggs, Alan Mislove, Christo Wilson
USENIX ;login: Winter 2017, Vol. 42, No. 4
  pdf   Stick a fork in it: Analyzing the Ethereum network partition
Lucianna Kiffer, Dave Levin, Alan Mislove
ACM HotNets 2017 (Workshop on Hot Topics in Networks)
  pdf    www  Understanding the Role of Registrars in DNSSEC Deployment
Taejoong Chung, Roland van Rijswijk-Deij, David Choffnes, Alan Mislove, Christo Wilson, Dave Levin, Bruce M. Maggs
ACM IMC 2017 (Internet Measurement Conference) Long paper
Applied Networking Research Prize 2019
  pdf    www  unCaptcha: A Low-Resource Defeat of reCaptcha's Audio Challenge
Kevin Bock, Daven Patel, George Hughey, Dave Levin
WOOT 2017 (USENIX Workshop on Offensive Technologies)
  pdf    www  DeTor: Provably Avoiding Geographic Regions in Tor
Zhihao Li, Stephen Herwig, Dave Levin
USENIX Security 2017
  pdf    www  A Longitudinal, End-to-End View of the DNSSEC Ecosystem
Taejoong Chung, Roland van Rijswijk-Deij, Balakrishnan Chandrasekaran, David Choffnes, Dave Levin, Bruce M. Maggs, Alan Mislove, Christo Wilson
USENIX Security 2017
Distinguished paper award
  pdf    www  CRLite: A Scalable System for Pushing All TLS Revocations to All Browsers
James Larisch, David Choffnes, Dave Levin, Bruce M. Maggs, Alan Mislove, Christo Wilson
Oakland 2017 (IEEE Symposium on Security and Privacy)
IEEE Cybersecurity Award for Innovation

2016

  pdf    www  Measuring and Applying Invalid SSL Certificates: The Silent Majority
Taejoong Chung, Yabing Liu, David Choffnes, Dave Levin, Bruce M. Maggs, Alan Mislove, Christo Wilson
ACM IMC 2016 (Internet Measurement Conference) Long paper
  pdf    www  Anomaly Detection on D-root
Zhihao Li, Dave Levin, Bobby Bhattacharjee, Neil Spring
DINR Workshop 2016 (DNS and Internet Naming Research Directions)
  pdf    www  DNSql: Processing Massive DNS Collections
Stephen Herwig, Dave Levin, Bobby Bhattacharjee, Neil Spring
DINR Workshop 2016 (DNS and Internet Naming Research Directions)
  pdf    www  Measurement and Analysis of Private Key Sharing in the HTTPS Ecosystem
Frank Cangialosi, Taejoong Chung, David Choffnes, Dave Levin, Bruce M. Maggs, Alan Mislove, Christo Wilson
ACM CCS 2016 (Conference on Computer and Communications Security)
  pdf    www  Build It, Break It, Fix It: Contesting Secure Development
Andrew Ruef, Michael Hicks, James Parker, Dave Levin, Michelle L. Mazurek, Piotr Mardziel.
ACM CCS 2016 (Conference on Computer and Communications Security)
  pdf   Picocenter: Supporting long-lived, mostly-idle applications in cloud environments
Liang Zhang, James Litton, Frank Cangialosi, Theophilus Benson, Dave Levin, Alan Mislove
EuroSys 2016 (European Conference on Computer Systems)

2015

  pdf    www  Ting: Measuring and Exploiting Latencies Between All Tor Nodes
Frank Cangialosi, Dave Levin, Neil Spring
ACM IMC 2015 (Internet Measurement Conference) Long paper
  pdf    www  An End-to-End Measurement of Certificate Revocation in the Web's PKI
Yabing Liu, Will Tome, Liang Zhang, David Choffnes, Dave Levin, Bruce Maggs, Alan Mislove, Aaron Schulman, Christo Wilson
ACM IMC 2015 (Internet Measurement Conference) Long paper
  pdf   slides  www  Alibi Routing
Dave Levin, Youndo Lee, Luke Valenta, Zhihao Li, Victoria Lai, Cristian Lumezanu, Neil Spring, Bobby Bhattacharjee
ACM SIGCOMM 2015
  pdf   Picocenter: Supporting Long-Lived, Mostly Idle Applications in Cloud Environments
Liang Zhang, Frank Cangialosi, Theophilus Benson, Dave Levin, Alan Mislove
ACM Symposium on Cloud Computing (SoCC) 2015 (poster)
  pdf    www  Build It Break It: Measuring and Comparing Development Security
Andrew Ruef, Michael Hicks, James Parker, Dave Levin, Atif Memon, Jan Plane, Piotr Mardziel
CSET 2015 (Workshop on Cyber Security Experimentation and Test)
  pdf   Programming Slick Network Functions
Bilal Anwer, Theophilus Benson, Nick Feamster, Dave Levin
SOSR 2015 (Symposium on SDN Research)
  pdf   UAv6: Alias Resolution in IPv6 Using Unused Addresses
Ramakrishna Padmanabhan, Zhihao Li, Dave Levin, Neil Spring
PAM 2015 (Passive and Active Measurement Conference)

2014

  pdf    www  RevCast: Fast, Private Certificate Revocation over FM Radio
Aaron Schulman, Dave Levin, Neil Spring
ACM CCS 2014 (Conference on Computer and Communications Security)
  pdf    www  Analysis of SSL Certificate Reissues and Revocations in the Wake of Heartbleed
Liang Zhang, Dave Choffnes, Tudor Dumitras, Dave Levin, Alan Mislove, Aaron Schulman, Christo Wilson
ACM IMC 2014 (Internet Measurement Conference) Long paper

2013

  pdf    www  D-mystifying the D-root Address Change
Matthew Lentz, Dave Levin, Jason Castonguay, Neil Spring, Bobby Bhattacharjee
ACM IMC 2013 (Internet Measurement Conference) Short paper
  pdf   A Slick Control Plane for Network Middleboxes
Bilal Anwer, Theophilus Benson, Nick Feamster, Dave Levin, Jennifer Rexford
HotSDN 2013 (Hot Topics in Software Defined Networking; poster) and ONS 2013 (Open Network Summit)
  pdf   SDX: A Software Defined Internet Exchange
Nick Feamster, Jennifer Rexford, Scott Shenker, Dave Levin, Russ Clark, Josh Bailey
ONS 2013 (Open Network Summit)

2011

  pdf   Making Currency Cheap with iOwe
Dave Levin, Aaron Schulman, Katrina LaCurts, Neil Spring, Bobby Bhattacharjee
NetEcon 2011 (Workshop on The Economics of Networks, Systems, and Computation)

2010

  pdf   Secure Sharing in Distributed Information Management Applications: Problems and Directions
Piotr Mardziel, Adam Bender, Michael Hicks, Dave Levin, Mudhakar Srivatsa, Jonathan Katz
ACITA 2010 (Annual Conference of the International Technology Alliance)
  pdf   Don't Love Thy Nearest Neighbor
Cristian Lumezanu, Dave Levin, Bo Han, Neil Spring, Bobby Bhattacharjee
IPTPS 2010 (International Workshop on Peer-to-Peer Systems)

2009

  pdf   Stay or go? Participation in Under-Provisioned Video Streams
Dave Levin, Daniel Malter, Neil Spring, Bobby Bhattacharjee
NetEcon 2009 (Workshop on The Economics of Networks, Systems, and Computation)
  pdf   Systems-Compatible Incentives
Dave Levin, Neil Spring, Bobby Bhattacharjee
GameNets 2009 (International Conference on Game Theory for Networks), Invited paper
  pdf   slides TrInc: Small Trusted Hardware for Large Distributed Systems
Dave Levin, John R. Douceur, Jacob R. Lorch, Thomas Moscibroda
NSDI 2009 (USENIX Symposium on Networked Systems Design and Implementation)
Best paper award
  pdf    www  Symbiotic Relationships in Internet Routing Overlays
Cristian Lumezanu, Randolph Baden, Dave Levin, Neil Spring, Bobby Bhattacharjee
NSDI 2009 (USENIX Symposium on Networked Systems Design and Implementation)

2008

  pdf   slides  www  BitTorrent is an Auction: Analyzing and Improving BitTorrent's Incentives
Dave Levin, Katrina LaCurts, Neil Spring, Bobby Bhattacharjee
ACM SIGCOMM 2008
  pdf   slides  www  Motivating Participation in Internet Routing Overlays
Dave Levin, Randolph Baden, Cristian Lumezanu, Neil Spring, Bobby Bhattacharjee
NetEcon 2008 (Workshop on the Economics of Networks, Systems, and Computation)
  pdf    www  On the Fidelity of 802.11 Packet Traces
Aaron Schulman, Dave Levin, Neil Spring
PAM 2008 (Passive and Active Measurement Conference)
  pdf   Capacity of Asynchronous Random-Access Scheduling in Wireless Networks
Deepti Chafekar, V. S. Anil Kumar, Dave Levin, Madhav V. Marathe, Srinivasan Parthasarathy, Aravind Srinivasan
INFOCOM 2008 (IEEE Conference on Computer Communications)

2007

  pdf    www  PeerWise Discovery and Negotiation of Faster Paths
Cristian Lumezanu, Dave Levin, Neil Spring
HotNets 2007 (Workshop on Hot Topics in Networking)
  pdf   Accountability as a Service
Adam Bender, Neil Spring, Dave Levin, Bobby Bhattacharjee
SRUTI 2007 (Workshop on Steps to Reducing Unwanted Traffic on the Internet)
  pdf   Backbone Construction in Selfish Wireless Networks
Seungjoon Lee, Dave Levin, Vijay Gopalakrishnan, Bobby Bhattacharjee
SIGMETRICS 2007 (ACM International Conference on Measurement and Modeling of Computer Systems)
  pdf   slides Boycotting and Extorting Nodes in an Internetwork
Dave Levin, Adam Bender, Cristian Lumezanu, Neil Spring, Bobby Bhattacharjee
NetEcon+IBC 2007 (Workshop on the Economics of Networked Systems and Incentive-Based Computing)

2006

  pdf   slides Punishment in Selfish Wireless Networks: A Game Theoretic Analysis
Dave Levin
NetEcon 2006 (Workshop on the Economics of Networked Systems)
  pdf    www  Fair File Swarming with FOX
Dave Levin, Rob Sherwood, Bobby Bhattacharjee
IPTPS 2006 (International Workshop on Peer-to-Peer Systems)

2004

  pdf    www  ProofRite: A Paper-Augmented Word Processor
Kevin Conroy, Dave Levin, François Guimbretière
UIST 2004 Demo (ACM Symposium on User Interface Software and Technology)