Faculty Directory

Katz, Jonathan

Katz, Jonathan

Computer Science
Maryland Cybersecurity Center
Electrical and Computer Engineering
5226 Iribe Center


  • S.B. in Mathematics and Chemistry from MIT
  • M.A. in Chemistry from Columbia University
  • M. Phil in Computer Science from Columbia University
  • Ph.D. in Computer Science from Columbia University


Jonathan Katz is a professor in the Department of Computer Science and a core faculty member in the Maryland Cybersecurity Center with an appointment in the University of Maryland Institute for Advanced Computer Studies. He is also a Fellow of the Joint Center for Quantum Information and Computer Science. 

Katz research interests include cryptography, computer and network security and theoretical computer science. 

He is a recipient of the Humboldt Research Award, the ACM SIGSAC Outstanding Contribution Award, a University of Maryland Distinguished Teacher-Scholar Award, an NSF CAREER award and more. Katz is also a Fellow of the International Association for Cryptologic Research (IACR). He co-authored the textbook "Introduction to Modern Crytography" and a monograph on digital signature schemes.

Katz has held visiting appointments at UCLA, the École normale supérieure in Paris, France, and IBM in Hawthorne, NY.

He received his doctorate in computer science from Columbia University. 


  • ACM SIGSAC Outstanding Contribution Award (2019)
  • IACR Fellow (2019)
  • University of Maryland Distinguished Teacher-Scholar Award (2017-2018)
  • Humboldt Research Award (2015)
  • NSF CAREER Award (2005)



  • Cryptography
  • Computer and network security
  • Science of cybersecurity

Q&A With Jonathan Katz, UMD Post-Quantum Cryptography Expert

A noted expert on quantum secure cryptography, he offers insight as to why new quantum-resistant security measures are needed now, and what we may see in the future.

Reimagining Cryptography in a Post-Quantum World

Jonathan Katz leads a $1M NSF award that supports forward-looking efforts in research, education.

MC2 Launches Travel Awards Program

It will support MC2 students and postdocs traveling to academic conferences, workshops or other research events focused on cybersecurity or privacy.

World Traveling Postdoc Finds a Home at MC2

Andreea Alexandru’s research involves privacy-preserving protocols with applications in cyber-physical systems and machine learning.

MC2 Kicks Off Third Year of Postdoctoral Fellowship Program

The fellowships offer an opportunity to work closely with MC2 faculty in multiple areas of cybersecurity.

Katz Named ACM Fellow

He was recognized for his contributions to cryptographic protocol design and cryptography education.

MC2 Researchers Present Six Papers at ACM Conference on Information Security

The papers cover hot topics like key management for cryptocurrencies, fuzzy message detection and more.

As New Director, Mazurek Expands on MC2’s Momentum

She now leads numerous successful programs and partnerships established by the center’s prior directors, and is developing new ideas and initiatives of her own.

MC2 Researchers Present 10 Papers at Upcoming Security Symposiums

They will present research on a diverse array of security-related topics at USENIX and SOUPS. 

Maryland Cybersecurity Center Kicks Off Second Year of Postdoctoral Fellowship Program

The fellowship offers an opportunity to work closely with faculty and graduate students in the center.

New MC2 Postdoctoral Fellow Brings Expertise in Cryptography to UMD Campus

Cong Zhang is the inaugural recipient of the MC2 fellowship.

MC2 Researchers Have 13 Papers Accepted to Upcoming Cybersecurity Events

The papers highlight the center’s cutting-edge research in programming languages, encrypted databases, and more.

MC2 Researchers Awarded $600K NIST Grant

The grant will allow researchers to continue developing next-generation cryptography protocols.

Redmiles Accepts Tenure-Track Faculty Position at Princeton University

She will assume the position in Fall 2020 following a one-year postdoctoral fellowship at Microsoft Research.

Katz Named IACR Fellow

He is being recognized for his technical and professional contributions to the field of cryptology

Katz Partners with PlatON on Building Protocols for Secure MPC

He is also working with an MC2 alumnus to design and build protocols for secure multi-party computation

MC2 Faculty, Students Have Five Papers Accepted to ACM Conference on Computer and Communications Security

MC2 researchers are presenting work covering a wide array of security-related topics

MC2 Researchers Have Six Papers Accepted to USENIX Security Symposium

MC2 researchers are presenting on a wide array of security-related topics at the August 15-17, 2018 event

Three Graduating MC2 Students Accept Tenure-Track Faculty Positions

Xiao Wang, Yupeng Zhang, and Kartik Nayak will assume their new positions in Fall 2019 

MC2 Researchers Win Best Paper Award at ACM CCS 2017

Paper proposes new paradigm for achieving malicious security that avoids using inefficient mechanisms

UMD Cybersecurity Club Wins National Competition

Team of five undergraduate students scored highest amongst more than 500 teams

Mazurek Part of Team Receiving Top Honors in NSA Cybersecurity Paper Competition

Mazurek's team wins the 5th Annual Best Scientific Cybersecurity Paper Competition

MC2 Graduate Students Bring Passion, Innovation to the Field of Cybersecurity

Graduate students say MC2 provides a collaborative and supportive environment for research

Two MC2 Faculty Members Receive IEEE Cybersecurity Awards

Levin and Boyson have been named inaugural recipients of IEEE cybersecurity awards

MC2 Faculty, Students Have Four Papers Accepted to the IEEE Symposium on Security & Privacy

Researchers will present on cybersecurity, usability, advanced cryptography, network security and more

Katz Named UMD Distinguished Scholar-Teacher

Katz honored for his commitment to cyber education

MC2 Graduate Student Co-Advised by Katz and Papamanthou Receives Google Ph.D. Fellowship

Yupeng Zhang will use award to continue his work on improving cloud security

Katz Co-Organizes Three-Day Winter School on Cryptocurrency and Blockchain Technologies

Winter School will be held Jan. 15–17 at Shanghai Jiao Tong University

MC2 Team Takes Second Place in Cybersecurity Case Study Competition

UMD students competed against 19 teams in contest sponsored by Kaspersky Lab

UMD Cybersecurity Symposium to Focus on Campus Research, Education Initiatives

5th Annual event to be held Dec. 5 at the Samuel Riggs IV Alumni Center

MC2 Faculty, Students Present Nine Papers at ACM CCS 2016

UMD presented the most papers at the annual conference

Dachman-Soled, Katz Receive Cisco Awards

MC2 faculty Dana Dachmand-Soled and Jonathan Katz receive Cisco research awards

Kartik Nayak Named Google PhD Fellow

MC2 graduate student Kartik Nayak was recently named a Google PhD fellow

Katz Discusses Authentication on the CyberWire Daily Podcast

Katz Talks About How Users Can Protect Themselves on Websites

Katz Quoted in NBC News Article on Encryption Apps

Katz discusses what it takes to build secure encrypted messaging apps

Qu Leads Workshop on Security for the Internet of Things

Workshop attended by approximately 60 participants from academia, industry, and the U.S. government

UMD Cybersecurity Symposium to Focus on Latest Trends in Cybersecurity

Fourth Annual MC2 Symposium on Dec. 7 will explore cutting-edge cybersecurity research

UMD Researchers Present Paper on Innovative Work for Ensuring Integrity in Cloud-Hosted Databases

Paper by Papamanthou, Katz and Zhang will be presented at ACM CCS 2015

UMD Researchers Awarded $1M from NIST to Work on Next-Generation Cryptography

Katz, Papamanthou and Dachman-Soled will collaborate with NIST on post-quantum cryptography project

Katz Featured in Voting Security Story

Katz discusses the security of online voting

Katz Discusses Research on Bitcoin and Other Cryptocurrencies in Baltimore Sun Article

Katz weighs in on the growing adoption of Bitcoin and other crytocurrencies

MC2 Researcher Weighs In On Public Wi-Fi Vulnerabilities

Maimon Discusses Public Wi-Fi Vulnerabilities in Digital Trends Article

First Run of Cybersecurity MOOCs Taught by MC2 Faculty Finishes with a Flourish

First UMD Cybersecurity Specialization Wraps Up with Competition-style Game

MC2 Researchers Receive $1.2M NSF Grant for Verifiable Computation

Papamanthou leads team of MC2 Researchers on Verifiable Computing Project

Katz Gives Keynote Address at Privacy Enhancing Technologies Symposium

Katz Gives Keynote Address at Privacy Enhancing Technologies Symposium

Shilton Receives NSF CAREER Award

Shilton Receives NSF CAREER Award

Dumitras Receives NSF Award to Study Software Update Vulnerabilities

Dumitras Receives NSF Award to Study Software Update Vulnerabilities

MC2 Researchers Benefit from Amazon Award

MC2 Researchers Benefit from Amazon Award

MC2 Director Katz Discusses Heartbleed Bug in Christian Science Monitor Article

MC2 Director Katz Discusses Heartbleed Bug in Christian Science Monitor Article

Dachman-Soled Receives NSF CAREER Award to Study "Non-Black-Box" Cryptography

Dachman-Soled Receives NSF CAREER Award to Study "Non-Black-Box" Cryptography

Katz Quoted on Clinton E-Mails and Privacy/Security of Wearable Technologies

Katz Weighs In on Clinton E-Mails and Privacy/Security of Wearable Technologies

MC2 Doctoral Student Spreads His Wealth of Bitcoin Knowledge

MC2 doctoral student Andrew Miller is co-teaching two Bitcoin classes

MC2 Director Katz Featured on Federal News Radio

Katz offers expertise on hacker groups to Federal News Radio

Visiting Research Scientist in MC2 Brings New Ideas, Collaborations

Visiting Research Scientist in MC2 Brings New Ideas, Collaborations

MC2 Director Katz Receives Humboldt Research Award

Jonathan Katz, a professor of computer science and director of the Maryland Cybersecurity Center, recently received the Humboldt Research Award for his achievements in computer science and cybersecurity.

MC2, ACES Program Featured in Gazette Article About Cybersecurity

The Maryland Cybersecurity Center (MC2) and the Advanced Cybersecurity Experience for Students (ACES) program were highlighted today in a Gazette story about the state of cybersecurity in Prince George's County

Maimon, Katz Receive Joint NSF Award

To explore the influence of physical and social environments on the behavior of public-WiFi users.

MC2 Director Katz Featured in Hearst News Story on Russian Hackers

Jonathan Katz notes how insecure passwords can be.

Annual Cyber Symposium Brings Large Crowd, Interesting Discussion

More than 200 people attended a daylong symposium.

UMD Receives $4.5M for Science of Security "Lablet"

The funding is for new scientific methodologies and tools related to cybersecurity.

MC2 Director Katz Testifies Before Senate Subcommittee on Investing in Cybersecurity

Katz's testimony focused on cybersecurity workforce development.

Shi, Papamanthou Win Invention of the Year Award

Cybersecurity faculty have developed technology involving storing secure data in the cloud.

International Visitors Discuss Best Practices in Cybersecurity, Women in Computing

Jan Plane and Jonathan Katz were among the discussion group.

MC2 Director, Faculty Named to President’s Task Force on Cybersecurity

Jonathan Katz and other MC2 faculty are part of President’s Task Force on Cybersecurity.

MC2, ManTech Partner on Cybersecurity Scholarships

Two UMD undergraduates looking to join the ranks of IT experts pitted in this ongoing battle against hackers and cyberthieves.

UMD to Offer New MOOCs Multi-Course Specialization in Cybersecurity

New initiative positions university at the forefront of the next chapter in massive open online courses.

Katz Named Director of Maryland Cybersecurity Center

Jonathan Katz, professor of computer science, was appointed to a three-year term.

Katz to lead $1.5M cooperative agreement

Dr. Jonathan Katz to lead $1.5M cooperative agreement with US Army Research Laboratory

Researchers Earn NSF Grant for Practical Secure Two-Party Computation

Research will focus on making privacy-preserving computation practical and accessible.