The Mystery of ‘Jia Tan,’ the XZ Backdoor Mastermind

The thwarted XZ Utils supply chain attack was years in the making. Now, clues suggest nation-state hackers were behind the persona that inserted the malicious code.

SpaceX Launched Military Satellites Designed to Track Hypersonic Missiles

The prototype satellites hitched a ride on a Falcon 9 rocket.

Anduril’s New Drone Killer Is Locked on to AI-Powered Warfare

Autonomous drones are rapidly changing combat. Anduril’s new one aims to gain an edge with jet power and AI.

Shadowy Russian Cell Phone Companies Are Cropping Up in Ukraine

But as Ukrainians retake ground, some of the firms are erasing their online presence.

The Family That Mined the Pentagon's Data for Profit

The Freedom of Information Act helps Americans learn what the government is up to. The Poseys exploited it—and became unlikely defenders of transparency.