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

The Hormuz Standoff: Global Energy Flow Severs After 'Epic Fury' Strikes

As tankers idle and insurers pull coverage, Iran’s mine threat turns the world’s most vital oil chokepoint into a high-stakes test of U.S. deterrence and global economic resilience.

Commercial vessels divert to UAE coasts amid navigation issues

The Hormuz Standoff: Global Energy Flow Severs After 'Epic Fury' StrikesAs tensions in and around Iran proliferate, the narrow waterway between Iran [...] More

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The Open Source Report

<span>Global Intelligence Report for Thursday, March 5, 2026</span>

Global Intelligence Report for Thursday, March 5, 2026

U.S. Senate backs Trump on Iran strikes, blocks bid to limit his war powers

American submarine sinks Iranian ship off Sri Lanka in first torpedo kill since WWII

Tehran denies targeting Turkish base after U.S. intercepts Iranian missile in Mediterranean

Azerbaijan says two people injured by Iranian drones


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Expert Insights

Cipher Brief Experts bring context to today’s global events

Nuclear Expansion and Conditional Diplomacy: North Korea’s New Strategy

Ambassador Joseph DeTrani

OPINION – At the 9th Congress of the Workers’ Party of Korea, held every five years, North Korea’s Kim Jong Un left the door open for engagement with the U.S. and reaffirmed hostility with South Korea.The seven-day [...] More

The Constitutional and Strategic Fallout of Trump’s Strike on Iran

Walter Pincus

OPINION — “[Iran’s Supreme Leader Ali] Khamenei, one of the most evil people in History, is dead. This is not only Justice for the people of Iran, but for all Great Americans, and those people from many Countries [...] More

News & Analysis

After the Strikes: Is Iran on the Brink?

After the Strikes: Is Iran on the Brink?

U.S. and Israeli forces intensified their unprecedented military campaign against Iran over the weekend, striking strategic military, political and [...] More

Opinion

Purpose-Built or Perilous: Congress Faces a Critical FBI Headquarters Decision

Purpose-Built or Perilous: Congress Faces a Critical FBI Headquarters Decision

OPINION – Congress is weighing a decision with critical National Security implications for generations to come: where to locate the next FBI [...] More

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Book Reviews

PRAISE (MY) LORD AND PASS THE AMMUNITION: Oy vey! The Military Religious Freedom Foundation, (MRFF) an outfit that holds that “No religion or religious philosophy may be advanced by the United States Armed Forces over any other religion or religious philosophy” says they have received an ungodly number of complaints from servicemen and women about some of their leaders describing the ongoing war in and around Iran as a crusade. One report said that a “combat-unit commander told non-commissioned officers at a briefing Monday that the Iran war is part of God’s plan” This leader allegedly added that President Trump was [...] 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

Investor Gilman Louie has spent much of his career focused on future national security. Tapped by former CIA Director George Tenet to be the first CEO of the Agency’s venture capital arm and later becoming an advisor and venture capital investor, Louie has spent decades working to identify the technologies that will ensure future national security. He told State Secrets podcast host Suzanne Kelly what clues we have about China’s future ambitions and why he believes we’re facing an Oppenheimer moment with AI.