The Defense Department inspector general's office said Thursday it will review Defense Secretary Pete Hegseth's use of ...

The Trump administration's use of a popular app to discuss sensitive military plans is raising questions about security and ...

President Donald Trump's administration says no classified material was leaked when senior officials used Signal to discuss ...

The Trump administration’s use of Signal for military discussions, including a journalist, raises national security concerns.

The greatest national security threat isn't the incompetence of Trump and his “best people.” It's the capacity of the ...

Former members of the defense and intelligence communities wonder who’s in charge of policy and operations — and if they’re ...

Also Read: The Atlantic publishes full Signal chat as Trump Cabinet mocks at ‘classified war plan leak’ Director of National Intelligence Tulsi Gabbard and CIA Director John Ratcliffe were ...

Now, reporting by DER SPIEGEL has found that the contact data of some of those officials, including mobile phone numbers, is ...

The Trump administration's use of a popular messaging app to discuss sensitive military plans — with a journalist on the text ...