There's much spinning over the grave lapse in national security captured in that group chat outlining a planned bombing raid ...

Signal’s convenience and the lack of clear agency guidelines makes the commercial app a popular choice for government ...

From war plans to surveillance secrets, America's biggest intelligence leaks have exposed military strategies, covert ...

A routine discussion among top US officials on a messaging app which also had the editor-in-chief of a leading American ...

The Trump administration is investigating how the Goldberg error happened, as well it should. It seems unlikely that anyone ...

You don't have to be more Catholic than the Pope, as the saying goes. But over the past week, an accidental leak to The ...

Director of National Intelligence Tulsi Gabbard fell back on the Trump administration's talking point that the Signal chat ...

U.S. Sen. Mark Kelly (D-AZ) questioned top intelligence officials from President Donald Trump's administration in a Tuesday ...