International Security & Defense

1394 Items

People practice combat skills in urban areas during a training course for national resistance of the Municipal Guard near Kyiv, Ukraine, on Jan. 19, 2024.

AP Photo/Evgeniy Maloletka

Journal Article - International Security

A “Nuclear Umbrella” for Ukraine? Precedents and Possibilities for Postwar European Security

| Winter 2023/24

Europe after the Russo-Ukrainian War must develop a new security structure to defend against any Russian aggression. The safest option is a non-offensive, confidence-building defense. This option includes proposals such as the “spider in the web” strategy and the “porcupine” strategy to provide for European security in a region threatened by Russian expansion—without relying on the threat of nuclear war. 

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Analysis & Opinions - Harvard Business Review

Intelligence Vendor Checklist

As more and more corporate teams leverage private intelligence vendors to understand geopolitical and security operating conditions, it is critical for executives and their intelligence teams to ask the right questions. How should private sector entities ensure that intelligence vendors operating around the world aligns with their needs, risk tolerance, and ethics?

Image of Vladimir Putin standing in front of a podium

AP Photo

U.S. Rep. Mario Diaz-Balart, R-Fla, speaks during roundtable discussion

AP/Marta Lavandier

Analysis & Opinions - The Conversation

A US Ambassador Working for Cuba? Charges Against Former Diplomat Victor Manuel Rocha Spotlight Havana's Importance in the World of Spying

| Dec. 15, 2023

Calder Walton writes that if proved, Victor Manuel Rocha's espionage would place him among the longest-serving spies in modern times. Allowing him to operate as a spy in the senior echelons of the U.S. government for so long would represent a staggering U.S. security failure.

President Joe Biden delivers remarks about government regulations on artificial intelligence systems during an event in the East Room of the White House, Monday, Oct. 30, 2023, in Washington.

(AP Photo/Evan Vucci)

Policy Brief

Action on AI: Unpacking the Executive Order’s Security Implications and the Road Ahead

| Nov. 08, 2023

On October 30, 2023, President Biden issued the Executive Order on the Safe, Secure, and Trustworthy Development and Use of Artificial Intelligence, aimed at realizing the benefits of AI, while mitigating critical risks. This article provides an overview of its key national security initiatives and explores issues relevant to implementation.

Ukrainian soldiers sit on an armoured vehicle as they drive on a road between Izium and Lyman in Ukraine, Tuesday Oct. 4, 2022.

AP Photo/Francisco Seco

Analysis & Opinions - Belfer Center for Science and International Affairs, Harvard Kennedy School

Ukraine’s Defense: A Whole-of-Society Effort Demanding Additional Support

| Oct. 13, 2023

For Ukraine to maintain its defense and decisively thwart Russia’s invasion, it will take steadfast commitments from Western allies providing both state-of-the-art equipment and basic warfighting needs, local industry leaders and factory workers readying equipment for the frontlines and developing innovative technologies, and civilian volunteers tirelessly filling in the remaining gaps.

A woman looks at a wall with photos of Israelis held captive

AP/Petros Giannakouris

Analysis & Opinions - Harvard Crimson

Five Harvard Experts Weigh in on War in Israel and Gaza

| Oct. 13, 2023

As the war in Israel and Gaza continues, Professor Stephen Waltf and Ambassador Edward Djerejian were two of the five Harvard faculty and affiliates with expertise in the region who spoke with The Crimson about their views on the future of the conflict.