The recent national security breach involving a Signal group chat has raised concerns regarding the messaging app’s security.

Many are raising questions about how highly sensitive information is being handled by national security officials.This ...

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

Learn more about Signal, including whether the news about its use in a military intelligence breach impacts its effectiveness ...

The president of Signal defended the security of the encrypted messaging app on Tuesday after a bombshell report revealed top ...

Democratic leaders of key House committees are reigniting calling for national security adviser Mike Waltz to step down.

President Trump was urged by far-right activist Laura Loomer to purge staffers she deemed insufficiently committed to his ...

Beyond concerns about security, Signal and other similar apps may allow users to skirt open records laws. Without special ...

US president defends key security official after journalist says he was added to group chat about air strikes.

White House staffers have come under fire after allegedly using the app to discuss sensitive foreign policy plans.

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