International Security

Juliette Kayyem asks: What would happen if a major piece of our infrastructure disappeared in the dark? How do we respond to what could be a lengthy disruption to a lifeline of the region's maritime and transportation networks?

Calder Walton says both seek to topple the United States from atop world stage, with China's blend of money, influence, all-hands-on-deck approach posing the greater threat.

Stephen Walt analyzes the priority that the United States should place on competing with China by asking and answering five questions.

Calder Walton recounts how Russia and China are using their intelligence agencies to reverse the outcome of the Cold War

Emergency-management agencies in the United States and other Western powers have far-reaching capabilities to save lives. But their abilities are not magical. Fundamentally, people need to be partners in their own safety, advises Juliette Kayyem.

Juliette Kayyem argues that although the emergency social-safety provisions helped those most in need, the use of Title 42 was a brutal and unforgiving policy that essentially ended asylum in the United States.

Belfer Center experts on security, intelligence, and cybersecurity issues were interviewed on the recent leak of classified military intelligence documents allegedly by Airman Jack Teixeira.

Juliette Kayyem writes the Boston Marathon's most enduring legacy is the democratization of "stop the bleed," which—like the Heimlich maneuver and CPR before it—gives regular people the ability to save lives with a modest amount of training. We can and should be outraged that so many civilians face the kinds of injuries—whether from IEDs or, more often, from mass shooters—that produce sudden blood loss. But being prepared for such events is better than the alternative.

Calder Walton explains why, as the 20th anniversary of the U.S.-led invasion of Iraq passes, it is useful to understand how China's intelligence and national security establishment reacted at the time.

Juliette Kayyem analyzes the social-media platform's crisis that has become a real-world crisis