The Commerce Department requested that private companies comment on the implications of the rule by March. The final decision will fall to the Trump administration.

© Alex Goodlett for The New York Times

The Commerce Department requested that private companies comment on the implications of the rule by March. The final decision will fall to the Trump administration.

The Commerce Department is banning the few remaining operations of China Telecom in the United States, a move that appears unlikely to deter Beijing from conducting sophisticated cyberoperations.

A London immigration court upheld a ban on a Chinese citizen described as a “close confidant” of the prince’s, on the grounds of national security.

He had been hailed by Chinese state media as a model for his efforts to promote Beijing’s interests in the United States. He was in fact an F.B.I. informant.

Dong Yuyu, who has written articles critical of the Communist Party, was arrested in 2022 while having lunch with a Japanese diplomat.

The Americans released, among others, a Chinese intelligence officer who was serving a 20-year sentence in the United States.

Leaders of the big telecommunications companies were summoned to the White House to discuss strategies for overhauling the security of the nation’s telecommunications networks amid growing alarm at the scope of a Chinese hack.

The Pentagon needs what the company offers to compete with China even as it frets over its potential for dominance and the billionaire’s global interests.

A group that experts call Salt Typhoon is believed to be behind a sophisticated breach of major telecommunication companies that has taken aim at American leaders.

The targeting of the Republican presidential ticket’s phones is part of what appears to be a wide-ranging effort to gather information about American leaders.

Foreign powers including Russia and Iran could move quickly right after the vote to undermine the democratic process, intelligence agencies warn.