The secretary of homeland security warned that China, AI, and cyber pose some of the biggest threats to the United States.

Researchers at Mandiant identified a new hacking group knowns as APT 43 that uses stolen bitcoin to fund cyberespionage operations.

NSA Director Paul Nakasone said Section 702 of the Foreign Intelligence Surveillance Act has saved lives as he pressed for its renewal.

A severe flaw in a Citrix device allowed hackers believed to be part of the group known as APT5 to carry out remote code execution.

China's investments in cybersecurity education set the stage for a new, more prolific era of digital espionage.

A flaw in a ubiquitous open-source software library is still being exploited nearly a year after its discovery.

The group has targeted telecommunications, internet service providers and universities in the Middle East and Africa, researchers said.

The Iranian cyberespionage group known as APT 42 is characterized by targeted spear phishing campaigns and extensive surveillance operations.