U.S. National Security Advisor Mike Waltz, who started the now-infamous group chat coordinating a U.S. attack against the ...

Lawmakers and legal experts claim the Yemen Signal group chat ‘blatantly violated security regulations designed to prevent exactly this kind of leak’ ...

Signal's president Meredith Whittaker reaffirmed the security of the messaging app after a chatroom leak involving US officials. The incident, caused ...

Donald Trump says the White House will "look into" the use of messaging app Signal after a journalist says he was added to a ...

The Trump administration’s Signal chat leak represents the "profound" risk of "uncontrolled communication," which could have implications on future operations, a former national intelligence ...

More Americans view the Trump administration’s Signal leak as a serious problem than ... on Facebook Most Americans believe the Signal chat scandal that embroiled President Donald Trump ...

Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. By now you know that several members of ...

The lack of public contrition, let alone resignations, from top officials, reflects a White House that operates in a culture of impunity and has stacked the Justice Department and FBI – which might ...

The White House considers the Signal group chat leak case "closed," Trump administration press secretary Karoline Leavitt told the media Monday while reiterating President Donald Trump's support ...

Jeffrey Goldberg, the Atlantic's top editor who was included in a Signal chat of Trump administration officials discussing plans for a military strike, pushed back Sunday on National Security ...