Top Trump officials are facing a firestorm after using the commercially available app Signal to discuss a U.S. military ...

The White House is clapping back against media reports claiming intel officials have been using the end-to-end encrypted ...

The often bureaucratic nature of classified information is complicated, with different levels of secrecy and different ...

F-18 Super Hornet launch times and other details concerning strikes on the Houthis in the leaked Signal chat were classified.

The top Republican and Democrat on the Senate Armed Services Committee requested an investigation Thursday into how Trump ...

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

The inadvertent inclusion of a journalist on a Signal group chat discussing attack plans means officials likely violated the ...

After it came to light this week that National Security Adviser Mike Waltz had added Jeffery Goldberg, the editor in chief of ...

Sen. Mark Warner (D-Va.), vice chair of the Senate Intelligence Committee, said there is “no question” that the information ...

CIA Director John Ratcliffe said the Signal texts revealing the so-called "attack plans" targeting Yemen’s Houthi rebels ...

A Senate hearing Tuesday highlighted the apparent internal uncertainty -- if not an attempt to focus blame on one figure.

Sen. Chuck Grassley said he didn't read transcripts of the text messages and "probably won't" but said they weren't ...