The Latest Breaking News from National Security

The Metropolitan Police said a man, 38, was arrested on suspicion of assisting a foreign intelligence service after he arrived in the UK on March 19.

Prime Minister Anthony Albanese and Opposition Leader Peter Dutton have both committed to stripping a Chinese company, Landbridge, of the lease to operate Darwin Port. Landbridge paid A$506 million for the 99-year lease from the Northern Territory government in October 2015.

Senator Mark Warner warns that Trump's extension for ByteDance to divest TikTok's U.S. assets may violate the 2024 law and jeopardize national security.

When Congress passed a law in 2024 to ban TikTok unless it came under U.S. ownership, lawmakers argued that the app’s Chinese parent company posed national security concerns. The Trump administration, which had granted the viral video app a reprieve shortly after taking office in January 2025, extended that pause…

The two companies sued the US government in January after then president Joe Biden halted the Japanese purchase in the name of national security.

I made a huge privacy mistake and realized that sending sensitive information to the wrong person is easier than you might think.

Australia faces crisis-level workforce shortfalls in security and defence. Recruiting more people to the defence force is now an urgent matter of national security.

Goldberg said Waltz was lying and that the men have talked in the past

Internal investigation cleared the national security adviser Mike Waltz, but the mistake was months in the making