Employment
Assistant Professor of Computer Science and Engineering, Olin College of Engineering, September 2019 - present.
Postdoctoral Researcher, Cybercrime Group, Institute of Software Engineering,
Carnegie Mellon University, February 2019 - August 2019.
Supervisor: Nicolas Christin.
Education
PhD, Electrical and Computer Engineering, Carnegie Mellon University,
June 2012 - May 2019 (on leave Fall 2016).
Advisor: Bryan Parno.
Thesis: Effective and Practical Improvements to the Web Public-Key
Infrastructure.
PhD*, Computer Science, ETH Zurich, January 2014 - July 2016.
No degree awarded; enrolled as part of PhD program above.
MS, Electrical and Computer Engineering, Carnegie Mellon University, June 2012 -
August 2013.
Advisor: Adrian Perrig.
Thesis: A Scalable and Trustworthy Entity Validation Infrastructure.
BS, Joint Major in Mathematics and Computer Science, Harvey Mudd College, August
2008 - May 2012.
Advisors: Zach Dodds (CS), Susan Martonosi (Math).
Graduated with High Distinction and Departmental Honors in Computer Science.
Conference Papers
Stephanos Matsumoto, Raphael M. Reischuk. “IKP: Turning a PKI Around with Decentralized Automated Incentives.” In IEEE Symposium on Security and Privacy (S&P), San Jose, CA, May 2017.
Stephanos Matsumoto, Samuel Steffen, Adrian Perrig. “CASTLE: CA Signing in a Touch-Less Environment.” In Annual Computer Security Applications Conference (ACSAC), Los Angeles, CA, December 2016.
Chen Chen, Stephanos Matsumoto, Adrian Perrig. “ECO-DNS: Expected Consistency Optimization for DNS.” In IEEE International Conference on Distributed Computing Systems (ICDCS), Columbus, OH, July 2015.
Pawel Szalachowski, Stephanos Matsumoto, Adrian Perrig. “PoliCert: Secure and Flexible TLS Certificate Management.” In ACM Conference on Computer and Communications Security (CCS), Scottsdale, AZ, November 2014.
M. Leece, N. Lesperance, S. Matsumoto, M. Korbel, K. Lei, Z. Dodds. “PixelLaser: Evaluating Monocular Range from Texture.” In IEEE International Conference on Technologies for Practical Robot Applications (TePRA), Boston, MA, April 2011.
Journal Papers
Stephanos Matsumoto, Raphael M. Reischuk, Pawel Szalachowski, Tiffany Hyun-Jin Kim, Adrian Perrig. “Authentication Challenges in a Global Environment.” In ACM Transactions on Privacy and Security (TOPS), Volume 20 Issue 1, January 2017.
Workshop Papers
Stephanos Matsumoto, Pawel Szalachowski, Adrian Perrig. “Deployment Challenges in Log-Based PKI Protocols.” In Eighth European Workshop on System Security (EuroSec), Bordeaux, France, April 2015.
Stephanos Matsumoto, Raphael M. Reischuk. “Certificates-as-an-Insurance: Incentivizing Accountability in SSL/TLS.” In NDSS Workshop on Security of Emerging Network Technologies (SENT), San Diego, CA, February 2015.
Stephanos Matsumoto, Samuel Hitz, Adrian Perrig. “Fleet: Defending SDNs from Malicious Administrators.” In ACM SIGCOMM Workshop on Hot Topics in Software Defined Networking (HotSDN), Chicago, IL, August 2014.
N. Lesperance, M. Leece, S. Matsumoto, M. Korbel, K. Lei, Z. Dodds. “PixelLaser: Computing Range from Monocular Texture.” In Proceedings of the 6th International Symposium on Visual Computing (ISVC), Las Vegas, NV, December 2010.
Preprints
Stephanos Matsumoto, Raphael M. Reischuk. “IKP: Turning a PKI Around with Blockchains.” Cryptology ePrint Archive Report 2016/1018, October 2016.
Stephanos Matsumoto, Raphael M. Reischuk, Pawel Szalachowski, Tiffany Hyun-Jin Kim, Adrian Perrig. “Designing a Global Authentication Infrastructure.” arXiv:1506.03392 [cs.CR], June 2015.
Posters
Adam Cozzette, Kathryn Lingel, Steve Matsumoto, Oliver Ortlieb, Jandria Alexander, Joseph Betser, Luke Florer, Geoff Kuenning, John Nilles, and Peter Reiher. “Improving the Security of Android Inter-Component Communication.” In IFIP/IEEE Symposium on Integrated Network Management (IM), Ghent, Belgium, May 2013.
Patrick Gage Kelley, Saranga Komanduri, Stephanos Matsumoto, Michelle L. Mazurek, Richard Shay, Blase Ur, Timothy Vidas, Lujo Bauer, Nicolas Christin, and Lorrie Faith Cranor. “The Art of Password Creation.” In IEEE Symposium on Security and Privacy (S&P), San Jose, CA, May 2013.
Steve Matsumoto. “What do random walks tell us about the shapes of regions in the complex plane?” In Harvey Mudd College Celebration of Student Research, September 2011.
Project Mentorship
Subject Matter Expert (SME), Senior Capstone Program in Engineering (SCOPE).
Sponsor: Amazon Robotics.
Project Advisor: Alessandra Ferzoco.
Other SMEs: Alice Paul.
Olin College of Engineering, 2019 - 2020.
Co-Supervisor, Summer Research Project, Yucheng Dai.
Topic: Improving the Efficiency of Data Compression for Domain Names.
Other supervisors: Bryan Parno.
Computer Science Department, Carnegie Mellon University, Summer 2019.
Co-Supervisor, Bachelor’s Thesis, Samuel Steffen.
Thesis title: A Touchless Infrastructure for Secure Private Key Storage and
Certificate Signatures.
Other supervisors: Adrian Perrig.
Department of Computer Science, ETH Zurich, Spring/Summer 2015.
Teaching
Co-Instructor, ENGR2510, Software Design.
Other instructors: Erhardt Graeff, Amon Millner.
Olin College of Engineering, Spring 2020.
Co-Instructor, MTH/SCI 1111, Modeling and Simulation of the Physical World.
Other instructors: Erhardt Graeff, Alice Paul, Jason Woodard.
Olin College of Engineering, Fall 2019.
Instructor, ENGR0077, Independent Study and Research in Engineering: Economic
Incentives in Cryptocurrency.
Student: Enmo Ren.
Olin College of Engineering, Fall 2019.
Co-Instructor, 08-303: Blockchains, Cryptocurrencies, and Applications.
Instructor: Nicolas Christin.
Institute for Software Research, Carnegie Mellon University, Spring 2018.
Future Faculty Program (transcript available upon request).
Carnegie Mellon University, Fall 2012–Spring 2016.
Teaching Assistant and Course Coordinator, Network Security.
Instructors: Adrian Perrig, Thomas Dübendorfer, Stefan Frei.
Department of Computer Science, ETH Zurich, Fall 2015.
Teaching Assistant, Network Security.
Instructors: Bernhard Plattner, Adrian Perrig, Thomas Dübendorfer, Stefan Frei.
Department of Electrical Engineering, ETH Zurich, Fall 2014.
Teaching Assistant, Information Security.
Instructors: Srdjan Capkun, Adrian Perrig.
Department of Computer Science, ETH Zurich, Spring 2014.
Teaching Assistant, 18-202: Mathematical Foundations of Electrical Engineering.
Instructors: Li Yuo, Tom Sullivan.
Department of Electrical and Computer Engineering, Carnegie Mellon University,
Fall 2013.
Teaching Assistant, 18-202: Mathematical Foundations of Electrical Engineering.
Instructor: Xin Li.
Department of Electrical and Computer Engineering Department, Carnegie Mellon
University, Spring 2013.
Talks
“Tools for Security and Privacy.” Stay Late and Create (SLAC), Olin College of Engineering, October 2019.
“IKP: Turning the Web PKI Around with Decentralized Automated Incentives.” 17-303: Cryptocurrencies, Blockchains, and Applications, Carnegie Mellon University, April 2019.
“Mining, Incentives, and Game Theory.” 17-303: Cryptocurrencies, Blockchains, and Applications, Carnegie Mellon University, March 2019.
“IKP: Turning the Web PKI Around with Decentralized Automated Incentives.” 15-827: Special Topics in Cryptography, Carnegie Mellon University, October 2017.
“IKP: Turning the Web PKI Around with Decentralized Automated Incentives.” 08-303: Cryptocurrencies, Blockchains, and Applications, Carnegie Mellon University, April 2017.
“REACT: Rewards and Enforceability for Augmented Certificate Transparency.” IBM Research Zurich, June 2016.
“ECO-DNS: Expected Consistency Optimization for DNS.” Korea University, May 2013.
“ECO-DNS: Expected Consistency Optimization for DNS.” Seoul National University, May 2013.
Professional Activities
Member, Committee on Student Academic Performance (COSAP), Olin College of Engineering, Fall 2019 - present.
External Reviewer, ACM International Conference on Emerging Networking Experiments and Technologies (CoNEXT) 2019. Reviews submitted in November 2018.
Awards
CyLab Presidential Fellowship, Carnegie Mellon University, 2017 – 2018.
NSF Graduate Fellowship, 2012 – 2016 (on reserve from 2015).
Cecil H. Short Memorial Prize, Pomona College, 2012.
National Physical Science Consortium Graduate Fellowship, National Security Agency, 2012.
Honorable Mention, Ford Foundation Predoctoral Fellowship, 2012.
International Vacation Scholarship, University of South Australia, 2011.
Harvey Mudd College Rose Hills Grant, Rose Hills Foundation, 2010, 2011.
Rose Hills Foundation Science and Engineering Scholarship, 2009–2012.
Ebell/Flint Scholarship, The Ebell of Los Angeles, 2009–2012.
Dean’s List, Harvey Mudd College, 2009–2011.
Harvey Mudd Merit Award, Harvey Mudd College, 2008–2012.
Miscellaneous
Bartender, Voodoo Brewery, Homestead, PA, March 2019 - July 2019.
Consultant, Buzz Worthy Pub Trivia, Pittsburgh, PA, June 2017 - June 2019.
Sales Associate, Beers ‘n’ More, Zurich, Switzerland, August 2015 - December 2016.
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