Jeff Kosseff.

Jeff Kosseff

Silha Professor of Media Ethics and Law

Degrees

Georgetown University Law Center, J.D.
University of Michigan, MPP

Expertise

  • First Amendment
  • Cybersecurity
  • Public Policy

Jeff Kosseff is the Silha Professor of Media Ethics and Law and the Director of the Silha Center for the Study of Media Ethics and Law at the University of Minnesota Hubbard School of Journalism and Mass Communication. Jeff is a First Amendment lawyer and former journalist who was a finalist for the Pulitzer Prize for National Reporting and recipient of the George Polk Award for National Reporting.

He has written four books about free speech. The Future of Free Speech: Reversing the Global Decline of Democracy’s Most Essential Freedom (with Jacob Mchangama) (Johns Hopkins University Press 2026) examines recent challenges to free expression worldwide and suggests solutions to reduce global censorship. Liar in a Crowded Theater: Freedom of Speech in a World of Misinformation (Johns Hopkins University Press 2023) explains and defends the First Amendment’s robust protections for false speech. The United States of Anonymous: How the First Amendment Shaped Online Speech (Cornell University Press 2022) explores the longstanding tradition of anonymous speech in the United States. The Twenty-Six Words That Created the Internet (Cornell University Press 2019) traces the history of Section 230 of the Communications Decency Act. Kosseff also is the author of Cybersecurity Law (Wiley 2026), a textbook that is in its fourth edition. He has published more than 25 academic articles, in venues including the Iowa Law ReviewWake Forest Law Review, and Berkeley Technology Law Journal.

Before joining the University of Minnesota, Kosseff was an associate professor at the United States Naval Academy. He practiced First Amendment and cybersecurity law at Covington & Burling in Washington, DC, and clerked for the Hon. Milan D. Smith, Jr. of the United States Court of Appeals for the Ninth Circuit and the Hon. Leonie M. Brinkema of the United States District Court for the Eastern District of Virginia. Before becoming a lawyer, Kosseff was a journalist at The Oregonian.

Kosseff has a Juris Doctor from Georgetown University Law Center and a Master of Public Policy and Bachelor of Arts from the University of Michigan.

Cybersecurity Law and Policy


Books

The Future of Free Speech: Reversing the Global Decline of Democracy's Most Essential Freedom (2026)
(with
Jacob Mchangama
)
Cybersecurity Law (first edition 2017, second edition 2019, third edition 2022, fourth edition 2025)
Liar in a Crowded Theater: Freedom of Speech in a World of Misinformation, (Johns Hopkins University Press 2023) 
 The United States of Anonymous: How the First Amendment Shaped Online Speech (Cornell University Press 2022) 
The Twenty-Six Words that Created the Internet (Cornell University Press, 2019)

Journal Articles

Free Speech and the First Amendment's Efficacy Inquiry, Baylor Law Review (forthcoming 2026)
Artificial Intelligence and the Principle of Neutrality in Armed Conflict, 2026 18th International Conference on Cyber Conflict (CyCon) at 71
(with
Joseph M. Hatfield
)
How FTC Data Security Cases Inform the Development of Legally Accountable Software, 36 Fordham Intellectual Property, Media and Entertainment Law Journal 1 (2025)
(with
Ellis Fenske
,
Christopher Brown
and
Daniel S. Roche
)
Courting Consensus: How Class Action Lawsuits Shape Data Privacy Rights and Obligations in the US., in Proceedings of the 23rd Workshop on Privacy in the Electronic Society (WPES ’24), at 172
(with
Ellis Fenske
and
Christopher W. Brown
)
The International Legal Framework for Hunt Forward and the Case for Collective Countermeasures, in 2024 16th International Conference on Cyber Conflict: Over the Horizon (CyCon), at 221
Upgrading Cybersecurity Law, 61 Houston Law Review 51 (2023)
What was the Purpose of Section 230?: That's a Tough Question, 103 Boston University Law Review 763 (2023)
A User's Guide to Section 230 and a Legislator's Guide to Amending it (or Not), 37 Berkeley Technology Law Journal 757 (2022)
Protecting Free Speech in a Post-Sullivan World, 75 Federal Communications Law Journal 1 (2022)
(with
Matthew Schafer
)
Hacking Cybersecurity Law, 2020 University of Illinois Law Review 811
Retorsion as a Response to Ongoing Malign Cyber Operations, 2020 12th International Conference on Cyber Conflict (CyCon) 9 (2020) 
The USNA's Interdisciplinary Approach to Cybersecurity Education, 52 Computer 48 (2019)
(with
Tracy Emmersen
,
Joseph M. Hatfield
and
Steven R. Orr
)
Cybersecurity of the Person, 17 First Amendment Law Review 343 (2019)
Hamiltonian Cybersecurity, 54 Wake Forest Law Review 155 (2019)
The Contours of "Defend Forward" Under International Law, 2019 11th International Conference on Cyber Conflict (CyCon), 1 (2019) 
Developing Collaborative and Cohesive Cybersecurity Legal Principles, 2018 10th International Conference on Cyber Conflict (CyCon) 283 (2018)
Defining Cybersecurity Law, 103 Iowa Law Review 985 (2018)
Private Computer Searches and the Fourth Amendment, 14 I/S: A Journal of Law and Policy for the Information Society 187 (2018)
Twenty Years of Intermediary Immunity: The US Experience, 14 SCRIPTed 5 (2017)
The Gradual Erosion of the Law that Shaped the Internet: Section 230's Evolution Over Two Decades, 18 Columbia Science and Technology Law Review 1 (2017)
New York's Financial Cybersecurity Regulation: Tough, Fair, and a National Model, 1 Georgetown Law Technology Review 432 (2017)
The Cybersecurity Privilege, 12 I/S: A Journal of Law and Policy for the Information Society 641 (2016)
The Hazards of Cyber-Vigilantism, 32 Computer Law and Security Review 642 (2016)
A New Legal Framework for Online Anonymity: California's Privacy-Based Approach, 13 IEEE Security and Privacy (Nov-Dec. 2015), at 66

Book Chapters

Cyber-Physical Systems and National Security Concerns, in Security and Privacy in Cyber-Physical Systems: Foundations and Applications (Fink and Jeschke, eds., 2017)

Other Publications

Online Service Providers and the Fight Against Child Exploitation: The Fourth Amendment Agency Dilemma, Lawfare (Jan. 18, 2021)
In Defense of FAA Section 702: An Examination of Its Justifications, Operational Employment, and Legal Underpinnings, Lawfare (April 29, 2016)
(with
Chris Inglis
)