U.S. prosecutors say Rim Jong Hyok used ransom payments from American health care providers to steal military secrets.

In a briefing with reporters on Tuesday, U.S. intelligence officials said Russia is the most active U.S. adversary seeking to influence American politics.

Selena Larson, a senior threat intelligence analyst at Proofpoint, sits down with host Elias Groll to discuss why a focus on nation-state hackers is diverting attention from…

Deterring U.S. adversaries from attacking American infrastructure requires making clear that the United States can strike back in kind. 

Elite state-backed hackers are embracing the use of ransomware to obfuscate their operations. 

The activity highlights a rapidly evolving, aggressive cyberespionage operation that played out across Africa, Europe, the Middle East and Asia, a Talos report says.

The agency says AI and China are some of the biggest cyber threats to the nation's most sensitive networks.

Brad Smith defended the company at a time of growing concerns about whether the tech giant is sufficiently prioritizing security.

Taras Vasyliv, Head of the Dispatching Control Systems Department at the NPC Ukrenergo, and Joe Marshall, Security Researcher at Cisco Talos Intelligence Group

Some experts are doubtful the Homeland Security Committee testimony and questioning of Microsoft chief Brad Smith will lead to significant change.