How “imposing costs on our adversaries” has become the “Brexit means Brexit” of cyberspace.

It will fall on the incoming Biden administration to implement the new office—and a great deal of hard work lies ahead.

A response to Judge Michael Luttig.

As more information becomes public about the violence at the Capitol, it’s helpful to understand the basic rules under which the government collects information in advance of events like those that took ...

An attempt to sketch out the justification for a commission as well as the mandate, major areas of inquiry and legislative language that are needed to guide this effort.

Highlights from an overview of the NSA’s new document explaining the rules that govern the collection of signals intelligence.

The US policy of “defend forward” and “persistent engagement” in cyberspace raises the stakes of this attribution question as a matter of both international and domestic law. 

Various theories have been proposed for the U.S. to rejoin the Open Skies Treaty without presenting it again to the Senate for advice and consent to ratification; some are legally unsupportable, while ot...