The revelation that President Donald Trump's most senior national security officials posted the specifics of a military ...

A former CIA officer, Slotkin said the incident shows military spouses "have better operational security" than the ...

A stunning lapse in national security took center stage on Capitol Hill today as top intelligence officials faced tough questions over an embarrassing digital misstep.

Updates and the latest news as Trump intelligence officials testify at a Senate hearing on worldwide threats and the ...

In response to a post in which his billionaire adviser, Elon Musk, mocked The Atlantic by claiming that the second page of ...

The developer of the Signal app, used by members of the Trump administration, explained Tuesday why its app is the "gold ...

Democratic lawmakers heaped criticism on the administration for handling highly sensitive information carelessly.

According to the report, the United States delivered a series of strikes on warehouses in the district of Sahar ...

WASHINGTON -- President Donald Trump on Tuesday downplayed the use of a Signal group chat among top officials to discuss a ...

The breach left military and intelligence experts asking the same questions as the public: Why would top U.S. officials use a ...

On Monday, several cabinet members including Pete Hegseth, the person in charge of our entire military, mistakenly sent war ...

Mr. Hegseth’s stumbles started soon after he was sworn in to lead the Pentagon on Jan. 25.