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 ...

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 Pentagon’s internal watchdog notified the defense secretary of a probe into whether he shared classified information last ...

Below is a reproduction of the chat, with annotated analysis from our reporters ... What the Leak Revealed: Our reporters discuss what the Signal chat leak revealed about the Trump ...

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

At the heart of the Trump administration’s Signal scandal lies the familiar psychological pitfall of groupthink ...

Staffers in the newly formed government organization were reminded to preserve all work-related communications – including those on Signal ...

Joanna Stern, senior personal technology columnist at The Wall Street Journal, joins Marketplace’s Meghan McCarty Carino for “Tech Bytes: Week in Review.” ...

Donald Trump has accused the media of waging a "witch hunt' in its calls for answers over the Signal group chat leak. The president ... agree with my bogus analysis of the law or face impeachment.

Excerpts from a Signal chat published Monday by The ... Middle East and Russia Below is a reproduction of the chat, with annotated analysis from our reporters. Note: The messages shown here ...