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Defense

From Terror Networks to Hybrid Threats: A Partner Approach to a Growing Threat

The hybrid threat challenge facing Europe today is reminiscent of the terrorist threat challenge of the post-9/11 Global War on Terrorism (GWOT) era. [...] More

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Remembering the Americans Who Made Ukraine’s War Their Own

Remembering the Americans Who Made Ukraine’s War Their Own

This Memorial Day, The Cipher Brief is remembering the Americans who answered the call after Russia launched its unprovoked, deadly invasion of [...] More

DHS Has Become Central to American Strategy, But Its Strategy Has Not Caught Up

A generation after 9/11, the homeland has returned to the center of American national security strategy. The 2025 National Security Strategy, the [...] More

Proscribing the IRGC Will Make Britain Safer

The United Kingdom must act to proscribe Iran’s Islamic Revolutionary Guard Corps, or IRGC, before it’s too late. The IRGC must be proscribed before [...] More

The Limits of Human Oversight at Machine Speed

OPINION — Warfare has always operated at human speed, but we now have the capability to operate at machine speed. The risks are high, but so are the [...] More

Inside the FBI’s New Push to Track Leaks and Monitor Employees

OPINION — “The FBI requests $7 million to procure and deploy a digital watermarking solution capable of embedding unique digital forensic watermarks [...] More

A Bridge Too Small: Why $49 Billion Can’t Fix a $1.5 Trillion Problem

Welcome to The Iron Triangle, the Cipher Brief column serving Procurement Officers tasked with buying the future, Investors funding the next [...] More

Congress Faces a Growing Blind Spot in the Pentagon’s Expanding Budget

OPINION -- “That brings me to a concern I want to put on the record. In addition to the billions requested for the F-35 [fighter-bomber] enterprise, [...] More

Confidence, Interoperability, and the Limits of U.S. Decision Systems

OPINION -- In recent months, U.S. policy debates have increasingly acknowledged that the decisive contests of the 21st century will not be fought [...] More

The Costly Illusion of the Golden Dome

“The Golden Dome for America strategy [President Trump’s proposed nationwide anti-missile defense system] remains centered on affordable and scalable [...] More

Trump, Iran, and the Stress Test of Western Alliances

The war with Iran has grown beyond just a regional war; it is also a preliminary test of the cohesion of Western alliances under President Donald [...] More

NATO’s Fractures Are Not Its End

For much of its history, the North Atlantic Treaty Organization (NATO) has been portrayed as a unified military bloc bound by common values and [...] More

Trump’s Power Doctrine: A $1.5 Trillion Military, Greenland Ambitions, and a World Ruled by Force

“After long and difficult negotiations with Senators, Congressmen, Secretaries, and other Political Representatives, I have determined that, for the [...] More