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The Cipher Brief: National Security news, analysis and expert commentary.

2025: 10 Events That Changed the World

The decisions, conflicts, and power shifts that redefined global security - and what they mean heading into 2026.

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

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The Open Source Report

Volodymyr Zelensky, President of Ukraine, speaks after the first working session at the EU summit.

Global Intelligence Report for Tuesday, December 23, 2025

Ukraine's Zelensky says negotiations on war settlement 'close to a real result'

Trump says US ‘needs’ Greenland for security, taps envoy to ‘lead the charge

Turkey captures senior Islamic State operative in Afghan-Pakistan border raid

China likely has loaded more than 100 ICBMs in silo fields, Pentagon report says

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Expert Insights

Cipher Brief Experts bring context to today’s global events

What It Means Now that Fentanyl is Designated a “WMD”

Walter Pincus

OPINION — “There's no doubt that America's adversaries are trafficking fentanyl into the United States in part because they want to kill Americans. If this were a war, that would be one of the worst wars. I believe they [...] More

Trying to Impose a Loser’s Peace on Ukraine Is a Dead End

Rear Adm. (Ret.) Mark Montgomery
John Hardie
Keti Korkiya

OPINION — The fate of territory in eastern Ukraine remains the “most difficult” sticking point in the ongoing peace talks, President Volodymyr Zelensky acknowledged over the weekend as U.S. negotiators held separate [...] More

News & Analysis

What Would Follow a Muslim Brotherhood Terrorist Designation?

What Would Follow a Muslim Brotherhood Terrorist Designation?

DEEP DIVE — On November 24, 2025, President Trump launched a process to designate Muslim Brotherhood chapters in Lebanon, Egypt, and Jordan as [...] More

Opinion

X’s Location Feature Exposes a Real Problem, but Does Not Fix It

OPINION — A new location transparency feature on X is revealing foreign influence on American discourse just as federal agencies designed to deal [...] More

What’s on The Cipher Brief’s Digital Channel

Book Reviews

ARMY KILLS SPIRITUAL FITNESS GUIDE AFTER FIVE MONTHS -- The Army’s much-touted Spiritual Fitness Guide has been nixed after less than five months. As reported by Task and Purpose, Defense Secretary Pete Hegseth announced the guide’s demise in a social-media video, saying that the Chaplain Corps has been sidelined into glorified therapy duty. Hegseth called the guide a feelings journal in camouflage, noting that it mentions God once but “feelings” 11 times. It even worked in nine shout-outs to “playfulness,” a concept clearly not resonating with senior leadership. Back in August, the Chaplain Corps described the guide as a [...] More

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Events

Live Events

The Cipher Brief 2026 HONORS Awards

The Cipher Brief 2026 HONORS Awards

Join us for the third annual Cipher Brief Honors Dinner, the evening of March 13, 2026. This Black-Tie event is invite only, please apply here for a [...] More

Upcoming: 13 March, 2026

Podcasts

State Secrets


In this edition of the State Secrets podcast, we’re talking with two men who are carrying one of the most legendary torches in modern thriller history. Brian Andrews and Jeffrey Wilson are the powerhouse duo behind the tier one series and are the authors of the latest novel in the Tom Clancy, Jack Ryan universe - Executive Power. Host Suzanne Kelly talks with them about a covert team wiped out in Angola and a high-stakes hostage with action playing out on a global scale, of course. In other words, all the good stuff.

Cover Stories: Spies, Books & Entertainment


David McCloskey, former CIA Analyst turned novelist is out with his fourth book, The Persian, about an Iranian dentist who is recruited by Mossad to take on a dangerous mission inside Iran. Cover Stories Host Suzanne Kelly digs in on how McCloskey’s real-life Intelligence background fueled his latest novel, and discovers a few of McCloskey’s own secrets along the way.