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national security

2025: 10 Events That Changed the World

2025: 10 Events That Changed the World

SPECIAL REPORT — In a turbulent year, one of the biggest national security stories came in the form of a document.The administration’s National [...] More

The Latest

America’s Next National Security Crisis: A War on Its Own Energy Base

OPINION — Every mission begins with trust. In World War II, the U.S. government trusted private energy producers to deliver aviation gasoline at [...] More

The U.S. Role in a Multipolar World - and the Dangers of Isolationism

OPINION — “What should the U.S. role in the world be right now? We're waiting for the [Trump administration] National Security Strategy to come out [...] More

A ship crosses the Baltic Sea at sunrise

The War You Can’t See: Gray Zone Operations Are Reshaping Global Security

EXPERT PERSPECTIVE -- In the middle of the night, with no witnesses, a single ship flagged out of Hong Kong drags its anchor across the Baltic Sea. [...] More

The U.S. Needs More Patriot Missiles

The U.S. Needs More Patriot Missiles

CIPHER BRIEF REPORTING – On June 23, the U.S. Army used roughly 30 Patriot missiles to defend against an Iranian attack on Al-Udeid, the largest U.S. [...] More

Sabotage Without Warning: ​Why the Gray Zone Could Be America’s Biggest Blind Spot

Sabotage Without Warning: ​Why the Gray Zone Could Be America’s Biggest Blind Spot

EXPERT BRIEFING — Polish Prime Minister Donald Tusk announced this week that 32 people have been detained since the start of Moscow’s war with [...] More

The U.S. Has 40,000 Troops in the Middle East

The U.S. Has 40,000 Troops in the Middle East

CIPHER BRIEF REPORTING -- Recent U.S. strikes against Iran’s nuclear facilities propelled the 40,000 American forces in the region into the spotlight [...] More

The Cipher Brief's Hottest Summer Reading

The Cipher Brief's Hottest Summer Reading

CIPHER BRIEF FEATURE REPORTING -- With the 4th of July holiday fast approaching, now is a good time for our annual summer list of recommended beach [...] More

Security will be a Critical Aspect of New AI Center

EXPERT PERSPECTIVE — The recent signing of an agreement between the United Arab Emirates and the United States to create a large scale joint center [...] More

Counter-AI May be the Most Important AI Battlefront

EXPERT PERSPECTIVE — Artificial intelligence (AI) has truly captivated the American imagination, with increasing attention focused on the latest AI [...] More

The World of Threats – According to the Defense Intelligence Agency 

OPINION - “[Russian President Vladimir] Putin almost certainly is committed to victory in Ukraine, and his objectives remain mostly unchanged since [...] More

When It Comes to National Security, Loyalty Tests Should Have No Place

OPINION - National Security Adviser Mike Waltz appears to have lost his post at least in part because of questions of loyalty. Same for National [...] More

Waltz, Rubio and the National Security Shakeup

Waltz, Rubio and the National Security Shakeup

CIPHER BRIEF REPORTING – The announcement was made on the 101st day of the second Trump administration, and while some insiders said they saw it [...] More