The total cost of the US military’s operation against the Iran-backed Houthi militants in Yemen is nearing $1 billion in just ...

Did Defense Secretary Pete Hegseth’s messages detailing planned U.S. airstrikes in Yemen constitute a classified war plan?

One of the best ways to avoid the problem of ‘shadow IT’ is building systems that are both highly secure and highly usable.

President Trump said his national security adviser, Mike Waltz, "learned a lesson" after he opened up a secret chat of Trump ...

To discuss the Signal chat on military strikes, Amna Nawaz spoke with Republican Rep. Don Bacon of Nebraska. He spent nearly ...

The Atlantic magazine revealed an extraordinary national security blunder in the United States. Top US government officials ...

NPR's Scott Simon talks to Steven Cash, former CIA officer and staff member on the Senate Intelligence Committee, about the fallout from the security breach involving defense plans and a group chat.

He recommended moving sensitive discussions away from commercial messaging platforms such as Signal and back to secure military communication ... the leak’s potential impact on intelligence ...

Pete Hegseth has had a rough few weeks, what with his starring role in the Signal chat scandal and calls for his resignation ...

Trump officials mistakenly included a journalist in a Signal chat about strikes on Houthi ... discussing plans for a military strike on Houthi rebels in Yemen. Trump officials deny that classified ...