The group, tracked as "Cold River," has previously targeted U.S. nuclear facilities and other high-profile targets around the world.

Machine learning tools are aiding U.S. security agencies to catch operations relying on so-called "living off the land" techniques.

The attack on Kyivstar took out mobile and home internet service for as many as 24 million people in Ukraine.

The agency’s deployment of additional cyber assistant legal attachés comes as it takes on a more proactive approach to combating cybercrime operations and infrastructure.

The incident comes as Iranian-backed Houthi fighters step up attacks on commercial shipping vessels in the Red Sea.

Two years after it was disclosed, the Log4j vulnerability continues to enable North Korean hacking operations.

Andrey Korinets and Ruslan Peretyatko are alleged to have played a key role in the FSB's efforts to meddle in U.S. and British politics.

Kremlin propagandists tricked a half dozen celebrities into recording videos urging Ukraine's president to seek treatment for substance abuse.

A long-running Kremlin propaganda campaign is experimenting with AI to create phony news sites but isn’t reaching a significant audience.

The veteran hacking crew has been at the heart of Pyongyang's efforts to gather intelligence by breaching computer systems.