The Latest Breaking News from National Security

US authorities have arrested a 21-year-old information technology specialist called Jack Teixeira in connection with the disclosure of highly classified military documents about the Ukraine war and other top national security issues.

A Massachusetts Air National Guard member was arrested Thursday in connection with the disclosure of highly classified military documents about the Ukraine war and other top national security issues, an alarming breach that has raised fresh questions about America's ability to safeguard its most sensitive secrets. The guardsman, an IT…

White House National Security Advisor Jake Sullivan recently phoned Saudi Arabia’s Crown Prince Mohammed bin Salman, while senior Republican senator Lindsey Graham visited him, highlighting a growing bipartisan interest in strengthening the historical ties between the US and the Kingdom. Recent interactions between senior Saudi leaders and both Democratic and…

The person who leaked U.S. classified documents prompting a national security investigation is a gun enthusiast in his 20s who worked on a military base, the Washington Post reported on Wednesday, citing fellow members of an online chat group.

US National Security Advisor Jake Sullivan praised the peace efforts and offered ‘full US support for those efforts’.

With government concerns over national security growing, Beijing’s influence over platforms such as WeChat and Shein could come under scrutiny

(Corrects to restore dropped word 'after' in paragraph 3)

White House national security adviser Jake Sullivan spoke by phone with Saudi Arabian Crown Prince Mohammed bin Salman on Tuesday amid signs that the Saudis and Iran-allied Houthis in Yemen are making “significant progress” toward finding a permanent end to their nine-year conflict

Anne Keast-Butler, who has spent 30 years in national security, will take over as head of the British listening station in Cheltenham, Glos, next month