The U.S. military's Cyber Command hunted down foreign adversaries overseas ahead of this year's mid-term elections, taking down their infrastructure before they could strike, the head of U.S. Cyber Command said.

U.S. Army General Paul Nakasone said the cyber effort to secure the vote began before the Nov. 8 vote and carried through until the elections were certified.

"We did conduct operations persistently to make sure that our foreign adversaries couldn't utilize infrastructure to impact us," Nakasone, who is also the director of the U.S. National Security Agency, told reporters.

The five-member FCC said it has voted unanimously to adopt new rules that will block the importation or sale of certain technology products that pose security risks to U.S. critical infrastructure.

Hidden DNS resolvers and how to compromise your infrastructure

The Conti ransomware operation has finally shut down its last public-facing infrastructure, consisting of two Tor servers used to leak data and negotiate with victims, closing the final chapter of the notorious cybercrime brand.

In this two-part blog series, we expose a modern malware infrastructure and provide guidance for protecting against the wide range of threats it enables. Part 1 covers the evolution of the threat, how it spreads, and how it impacts organizations. Part 2 is a deep dive on the attacker behavior and will provide investigation guidance.

A Ukrainian cyber guerrilla warfare group plans to launch digital sabotage attacks against critical Russian infrastructure such as railways and the electricity grid, to strike back at Moscow over its invasion, a hacker team coordinator told Reuters.