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

That Other Nuclear Nightmare: North Korea Sounds New Alarms

Experts say a whole new approach is needed to deal with Pyongyang’s nuclear arsenal

Man in a fur hat speaks at a podium with microphones, North Korean flag in the background.

DEEP DIVE – As the U.S. grapples with the still-unsolved problem of Iran’s nuclear program, another American adversary is expanding its nuclear [...] More

Open Source Report logo

The Open Source Report

TOPSHOT - US President Donald Trump (R) and Russian President Vladimir Putin shake hands at the end of a joint press conference after participating in a US-Russia summit on Ukraine at Joint Base Elmendorf-Richardson in Anchorage, Alaska, on August 15, 2025. (Photo by Drew ANGERER / AFP via Getty Images)

Global Intelligence Report for Thursday, April 30, 2026

Trump presses Putin on Ukraine, turns down Iran nuclear offer in “very good” call

U.S. military commander to brief Trump on new military options against Iran

U.S. seeks to deploy hypersonic missile for the first time against Iran

Trump weighs pulling some U.S. troops from Germany in spat with Chancellor


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Expert Insights

Cipher Brief Experts bring context to today’s global events

Why Abu Dhabi Walked Away from OPEC After Nearly 60 Years

Chip Usher

OPINION – When UAE Energy Minister Suhail al-Mazrouei announced Tuesday that Abu Dhabi is leaving OPEC – a cartel it has been a member of since 1967 – he called it a “pure policy change” and a “policy-driven evolution [...] More

Britain’s Antisemitism Crisis Is Now a National Security Threat

Nick Fishwick

There has been yet another terrorist attack targeting Britain’s Jewish community. This time, two Jewish men were stabbed on Wednesday in Golders Green, London - a leading center of Jewish life and culture in the UK. The [...] More

News & Analysis

Woman speaking at podium with Mexican seal, flag, and artwork in background.

CIA Deaths Expose Fragile U.S.-Mexico Security Ties

Around two o’clock in the morning of April 19, an SUV veered off a twisting dirt road in a remote corner of the Sierra Madre, plunged into a ravine [...] More

Opinion

Human vs. Machine: Operational Realities from Ukraine’s Frontline

OPINION – A global debate is underway over how much human involvement should be required when artificial intelligence is implemented in military [...] More

What’s on The Cipher Brief’s Digital Channel

Book Reviews

SOFT PEDAL POWER: As President Trump gets ready to head to Beijing for a May 14-15 summit, the Wall Street Journal is recalling a warmer era. In 2005, the National Security Council’s Asia director Dennis Wilder was working on plans for a summit meeting in China between Presidents George W. Bush and Hu Jintao. Wilder knew that Bush was a passionate mountain biker and thought it might be fun to have Bush take a ride on Beijing's Olympic course which was being built for the 2008 Games. Small problem: Wilder checked with the CIA, which had satellite photos of the site and it looked like construction hadn't even started. So, [...] More

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Events

Live Events

2026 Threat Conference

2026 Threat Conference

The Cipher Brief Threat Conference is the nation’s premier forum for non-partisan discussion of global threats and solutions as well as high-level [...] More

Upcoming: 25 October, 2026

Podcasts

State Secrets

What does “success” look like in a conflict with Iran - and what comes next? In this in-depth conversation, General David Petraeus joins The Cipher Brief’s Suzanne Kelly to unpack the military and strategic realities shaping today’s most consequential conflicts. From the importance of reopening the Strait of Hormuz to the unresolved risks around Iran’s nuclear program, Petraeus explains what’s at stake not just for the U.S., but for the global economy. But the real story? Ukraine. Petraeus calls it the true test case for the future of war - where drones, autonomy, and rapid innovation are redefining the battlefield in real time.