The Latest Breaking News from National Security

President Biden's national security adviser met early Sunday with Saudi Arabia's Crown Prince Mohammed bin Salman to discuss a wide-ranging security agreement between the countries.

Israeli planes and tanks pounded areas across the Gaza Strip on Sunday, residents said, as White House national security adviser Jake Sullivan met Israeli Prime Minister Benjamin Netanyahu amid US calls for a more focused military campaign. Read our liveblog to see how all the day's events unfolded.

House Republicans propose tariffs on Chinese drones to address national security concerns and protect American drone industry.

Filmmaker Mohammad Rasoulof said he fled Iran after being sentenced to prison on national security charges and is in Europe ahead of the screening of his new film at the Cannes Film Festival, where he may attend the premiere.

Experts say changing climate is ‘threat multiplier’ and that US and Germany already include it in planning

The Justice Department is expected to argue that its clamp down on TikTok is about national security, but Constitutional lawyers say there is no way around grappling with the free speech implications.

The U.S. leader Monday ordered MineOne, a crypto mining firm majority-owned by China, to remove its equipment and dismantle improvements in a property located near an American Air Base home to ballistic missiles.

President Biden increases tariffs on Chinese imports to boost domestic production and challenge China's technological dominance.

US government orders China-linked firm to sell land near missile silos for national security reasons, reflecting escalating tensions with China.