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Critical Infrastructure

An FBI Perspective on FISA Section 702

I spent twenty years at the FBI supporting investigations into cybercrime, tracking ransomware gangs, and watching foreign adversaries tear through [...] More

The Latest

Dead Drop: Week of October 12

‘MUST SEE’ TV: Pete Hegseth has ordered Defense Department leaders to verify that every member of the Department has watched or read a transcript of [...] More

National Cyber Defenses at Risk as Key Programs Expire Amid Government Shutdown

Ransomware attacks conducted by criminals are persistently hitting airports, schools, and 911 dispatch centers, while foreign adversaries probe our [...] More

The Hidden Leverage of Digital Chokepoints

When we think about the arteries of global power, images of oil pipelines or shipping lanes often come to mind. They are visible, tangible, and easy [...] More

Special Report: Nat Sec EDGE 2025

Special Report: Nat Sec EDGE 2025

The Cipher Brief's Special Report on Nat Sec EDGE 2025The Nat Sec EDGE 2025 conference took place June 5–6, 2025 in Austin, Texas.ForewordThe 2025 [...] More

Expert Q&A: Undersea Cables Under Attack, from Outside and Within

EXPERT Q&A — Reports of damage to undersea cables across the world are on the rise, with suspected foul play in many of these incidents. These cables [...] More

U.S. Cyber Defense Starts with Defining Standards and Driving Collaboration

President Donald J. Trump has returned to office with the renewed revelations that Chinese government-affiliated hackers continue to outmatch [...] More

To Counter China, Reform U.S. Intelligence for the Digital Age

EXPERT PERSPECTIVE / OPINION -- The United States is facing a quiet and rapidly growing threat across the digital landscape, an unseen mathematical [...] More

The Next War Won’t Target Cities, It Will Target Choke Points.

In the age of strategic disruption, critical infrastructure is both the terrain and the target. The West’s optimization of systems for efficiency and [...] More

Taiwan Faces China Threats From Sea and Cyber

Taiwan Faces China Threats From Sea and Cyber

EXPERT INTERVIEW — While much of the world’s attention in recent weeks has been on Europe, and the U.S. tilt to Russia in its pursuit for an end to [...] More

Tariffs Overlook Gray Zone Threats Posed by China

The recent tariffs against China are obviously getting a lot of attention. China is a major trading partner, so the idea of an escalating tariff or [...] More