Maritime Issues and Oceans

CSIS experts spotlight the maritime security environment in the Indo-Pacific, using regional experience and satellite imagery to provide leading analysis.

Photo: Ilja/Adobe Stock (AI-Generated)

Photo: Ilja/Adobe Stock (AI-Generated)

The U.S. Coast Guard and the Future of Maritime Cybersecurity

With nearly $25 billion in the One Big Beautiful Bill Act, a deep bench of cyber executive leaders, and recently expanded cyber authorities, the Coast Guard is poised to make generational improvements in maritime cybersecurity while bolstering its own cyber workforce.

Commentary by Joel Coito — October 23, 2025

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A New Nordic NATO?

Podcast Episode by Henrik Breitenbauch and Benjamin Jensen — July 16, 2024

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Gregory B. Poling

Gregory B. Poling

Director and Senior Fellow, Southeast Asia Program and Asia Maritime Transparency Initiative
Harrison Prétat

Harrison Prétat

Deputy Director and Fellow, Asia Maritime Transparency Initiative
Joel Coito

Joel Coito

Military Fellow, Defense and Security Department

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The U.S. Coast Guard and the Future of Maritime Cybersecurity

With nearly $25 billion in the One Big Beautiful Bill Act, a deep bench of cyber executive leaders, and recently expanded cyber authorities, the Coast Guard is poised to make generational improvements in maritime cybersecurity while bolstering its own cyber workforce.

Commentary by Joel Coito — October 23, 2025

The Latest on Southeast Asia: South China Sea Updates

Tensions between China and the Philippines have been elevated for more than two months in the South China Sea and show no signs of abating.

Blog Post by Julia Rocio Gatdula, Lauren Mai, and Gregory B. Poling — October 23, 2025

Congressional Perspectives on Maritime Security

Please join the CSIS Defense and Security Department (DSD) and the U.S. Naval Institute (USNI) for a Maritime Security Dialogue event featuring Senator Tim Kaine (D-VA) and Senator Tim Sheehy (R-MT).

Event — October 7, 2025

The Risks of U.S. Deep-Sea Mining

The United States has begun taking steps to secure its access to seabed minerals. But U.S. unilateral mining on the high seas poses grave risks to the rules-based regional order.

Commentary by Harrison Prétat and Monica Sato — August 26, 2025

What Would Security Guarantees in Ukraine Look Like?

A paper promise won’t secure Ukraine’s future. Real guarantees require multinational ground, air, naval, space, and cyber commitments—sized and structured to deter Russia and embed Ukraine into the Western security architecture for the long term.

Critical Questions by Benjamin Jensen — August 20, 2025

Deterrence Runs on Rare Earths

The future of deterrence won’t be decided by tanks or troops alone—but by tiny, rare earth elements that power AI, drones, and defense systems. The United States’ strategic edge depends on securing what’s buried beneath the surface.

Commentary by Jake Kwon and Benjamin Jensen — July 24, 2025