The University of California is warning its students and staff that a ransomware group might have stolen and published their personal data and that of hundreds of other schools, government agencies and companies nationwide.

The computer system of one of the nation’s largest school districts was hacked by a criminal gang that encrypted district data and demanded $40 million in ransom.

Suspected Russian hackers gained access to email accounts belonging to the Trump administration’s head of the Department of Homeland Security and members of the department’s cybersecurity staff whose jobs included hunting threats from foreign countries.

The U.S. Cyber Command conducted more than two dozen operations aimed at preventing interference in last November’s presidential election, Gen. Paul Nakasone said.

Britain plans to cut the size of its army and boost spending on drones, robots and a new “cyber force” under defense plans announced by the government.

China's government called on Washington to drop efforts to expel three state-owned Chinese phone companies, including China Unicom Americas, a unit of China Unicom, from the United States in a new clash over technology and security.

Finland’s domestic security agency said the China-linked APT31 was likely behind a cyberspying attack on the information systems of the Nordic country’s parliament.

Russian authorities said they would block Twitter if it doesn’t take steps to remove banned content

The Biden administration is not planning to step up government surveillance of the U.S. internet even as state-backed foreign hackers and cybercriminals increasingly use it to evade detection.

Civil liberties activists are suing a company that provides facial recognition services to law enforcement agencies and private companies around the world, contending that Clearview AI illegally stockpiled data on 3 billion people without their knowledge or permission.

Dmitri Alperovitch, former CTO at CrowdStrike, said about 250,000 global victims were estimated to be impacted as part of a massive global hack of Microsoft Exchange email servers.

The trend of exploiting third-party service providers shows no signs of slowing because it gives criminals the highest return on their investment.