Research Engineer

VotingWorks

bernhard@voting.works

Publications | Talks | CV | Blog

I am a Research Engineer at VotingWorks, a non-partisan, non-profit voting technology company.

Students and Teaching

I have had the great fortune to work closely with several undergraduate students pursuing independent research projects, including Kartikeya Kandula, Jeremy Wink, Henry Meng, Jensen Hwa. I have been a graduate student instructor for the Introduction to Computer Security and Election Cybersecurity undergraduate courses at the University of Michigan.

Select Publications

Can Voters Detect Malicious Manipulation of Ballot Marking Devices?
Matthew Bernhard, Allison McDonald, Henry Meng, Jensen Hwa, Nakul Bajaj, Kevin Chang, and J. Alex Halderman
In Proceedings of the 41st IEEE Symposium on Security and Privacy
(Oakland'20), May 2020.  — Best Student Paper Award

UnclearBallot: Automated Ballot Image Manipulation
Matthew Bernhard, Kartikeya Kandula, Jeremy Wink, and J. Alex Halderman
In Proceedings of the 4th International Joint Conference on Electronic Voting
(E-Vote-ID'19), October 2019.

On the Usability of HTTPS Deployment
Matthew Bernhard, Jonathan Sharman, Claudia Ziegler Acemyan, Philip Kortum, Dan S. Wallach, and J. Alex Halderman
In Proceedings of the ACM Conference on Human Factors on Computing Systems
(CHI'19), May 2019.

Bernoulli Ballot-Polling: A Manifest Improvement for Risk-Limiting Audits
Kellie Ottoboni, Matthew Bernhard, J. Alex Halderman, Ronald L. Rivest, and Philip B. Stark
In Proceedings of the 4th Annual Workshop on Advances in Secure Electronic Voting
(Voting'19), February 2019.

Public Evidence from Secret Ballots
Matthew Bernhard, Josh Benaloh, J. Alex Halderman, Ronald L. Rivest, Peter Y. A. Ryan, Philip B. Stark, Vanessa Teague, Poorvi L. Vora, and Dan S. Wallach
In Proceedings of the 2nd International Joint Conference on Electronic Voting
(E-Vote-ID'17), October 2017.

Understanding the Mirai Botnet
Manos Antonakakis, Tim April, Michael Bailey, Matthew Bernhard, Elie Bursztein, Jaime Cochran, Zakir Durumeric, J. Alex Halderman, Luca Invernizzi, Michalis Kallitsis, Deepak Kumar, Chaz Lever, Zane Ma, Joshua Mason, Damian Menscher, Chad Seaman, Nick Sullivan, Kurt Thomas, and Yi Zhou
In Proceedings of the 26th USENIX Security Symposium
(USENIX'17), August 2017.

Website design stolen from Ben Vandersloot and Zakir Durumeric.