Cyber Warfare
55 Articles

Tallinn Manual 2.0 – Advancing the Conversation
On Wednesday last week I had the privilege of attending the Washington, D.C. launch of the Tallinn Manual 2.0 on the International Law Applicable to Cyber Operations at the Atlantic…

Watch the Tallinn Manual 2.0 Launch Discussion Online
Today marks the launch of Tallinn Manual 2.0, a key text on how existing international law applies to cyber operations. It was authored by 19 international law experts, and Just…

International Law and the US Response to Russian Election Interference
On Thursday, Senator McCain will hold hearings of the Armed Services Committee on the Russian election hacking. Several aspects of Russia’s election interference raise issues…

US Transparency Regarding International Law in Cyberspace
Last Thursday, State Department Legal Adviser Brian Egan, delivered an important speech at Berkeley Law School on the relationship between international law and cyber activities. …

International Law and Proposed U.S. Responses to the D.N.C. Hack
In a short essay in Foreign Policy, retired Admiral James Stavridis addresses recent election season cyber operations against the Democratic National Party that the U.S. has attributed…

A 9/11 Commission Approach to the Russian Hack of the DNC
This post is the latest installment of our “Monday Reflections” feature, in which a different Just Security editor examines the big stories from the previous week or looks…

Cybersecurity, Elections, and Critical Infrastructure at Home and Abroad
In the last few days, Secretary of Homeland Security Jeh Johnson and Homeland Security Advisor Lisa Monaco have both suggested that in the wake of the DNC hack, the United States…

Will “Cyber Bonds” Mitigate Transnational Cyberspace Threats?
Last week, Nathan Bruschi introduced the new concept of “cyber bonds,” which seeks to deter governments from engaging in harmful transnational cyberspace activities by hurting…

Deterrence by Indictment?
In an indictment released this morning, the Justice Department charged seven Iranians with carrying out distributed denial of service (DDoS) attacks on US financial institutions…

“Your Account May Have Been Targeted by State-Sponsored Actors”: Attribution and Evidence of State-Sponsored Cyberattacks
This post is the latest installment of our “Monday Reflections” feature, in which a different Just Security editor examines the big stories from the previous week or looks…

Was the Cyber Attack on a Dam in New York an Armed Attack?
Concerns about the vulnerability of infrastructure to cyber attacks were highlighted in two recent news articles. Last month, the Wall Street Journal reported that in 2013, Iranian…

International Law and the UN GGE Report on Information Security
The international community recently took an important step toward establishing global norms of behavior in cyberspace with the publication of the UN’s outcome report from its…