The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the ...

WASHINGTON >> The team led by President Donald Trump’s national security adviser, Mike Waltz, set up at least 20 group chats ...

A majority of voters say holding a discussion of plans to attack the Houthis in Yemen on the messaging app Signal was wrong, ...

The national security adviser's use of the messaging app is under scrutiny after he mistakenly added a journalist to a ...

Another sticky spot is that government regulations require a record of communication. Signal—and other secure messaging ...

Signal is the most secure messaging app for your smartphone, but a recent leak from a US government chat group has raised ...

Trump officials have been slammed for using the app to discuss highly sensitive information, including war plans.

The report indicates a far more extensive use of the Signal app by Mr Trump's national security team than previously reported ...

This reveals a greater use of the app than previously known and highlights the extent to which the Trump administration’s ...

Republican and Democratic leaders on the Senate Armed Services Committee are requesting a formal investigation into the ...

Four sources tell Politico they were aware of at least 20 chat groups, all four confirmed sensitive information was discussed ...