Skip to content
Search

Latest Stories

cipherbrief

Welcome! Log in to stay connected and make the most of your experience.

Input clean

At the Center of the World’s Most Dangerous Chokepoint

As threats mount in the Strait of Hormuz and oil markets react, former Iran intelligence chief Norm Roule breaks down the military, economic and strategic risks ahead.

STRAIT OF HORMUZ - 17 JANUARY 2026

A satellite view of the Strait of Hormuz, a critical chokepoint for global energy supply and maritime trade on January 17, 2026.

(

Photo by Gallo Images/Orbital Horizon/Copernicus Sentinel Data 2026

)

EXPERT INTERVIEW – Amid escalating tensions in the Middle East and growing concerns about the security of global energy supplies, the Strait of Hormuz is perhaps the world’s most consequential geopolitical flashpoint. As Iranian threats to disrupt shipping through the narrow waterway - a vital artery for nearly a fifth of the world’s oil – continue, fears of broader economic and military ripple effects across the region are rising.

Roughly 20 percent of the world’s oil normally flows through the Strait of Hormuz, and even limited disruptions can send shockwaves through global energy markets and supply chains. Energy markets are already reacting. With attacks on commercial vessels and threats to shut down the strait slowing tanker traffic and raising fears of wider conflict, global oil prices are surging, adding a new component of political pressure for President Donald Trump.

Keep reading... Show less
Make us preferred on Google
Access all of The Cipher Brief’s national security-focused expert insight by becoming a Cipher Brief Subscriber+ Member.

Related Articles

America’s Military Has a GPS Problem

“The Department of Defense’s (DoD) Global Positioning System (GPS) is the principal source of positioning, navigation, and timing (PNT) information [...] More

Subterranean Warfare - An Urgent DoW Need Without An Owner

The DoW urgently needs to organize its scattered subterranean warfare assets into a single unified organization. Ideally, a Direct Reporting [...] More

Unique Risks of AI Adoption in Developing Economies

The U.S. must set dominance of global AI sector as a strategic economic and national security priority. If the PRC becomes the dominant provider of [...] More

Iran’s Regime Is Weaker Than It Looks

For five and a half years, I was a hostage of the Islamic Republic of Iran. During that time, I came to believe something about the regime that may [...] More

A warning about ‘model welfare’

Download a highlighted marked-up version of the Claude ConstitutionDownload the taxonomy as a PDFThis essay was originally published here and is [...] More

The Houthis’ Coastal Gambit

For the first time in years, large swaths of Yemeni territory are changing hands. The Houthis’ recent losses in the east of the country were quickly [...] More

{{}}