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

Excerpts of a Signal chat published Monday by The ... Below is a reproduction of the chat, with annotated analysis from our reporters. Team – establishing a principles group for coordination ...

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 ...

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

And unlike many other quality news outlets, we choose not to lock Americans out of our reporting and analysis with ... response to the leak. The White House confirmed the chat group was authentic ...

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

The recent Signal chat leak has caused some to criticize the encrypted messaging app itself. According to two Denver experts, ...

We explain how the group chat leak could have happened ... But security experts say the Signal thread, in which The Atlantic’s editor was accidentally included, was a sloppy and dangerous ...

This kind of real time operational information is more sensitive than ‘war plans,’ which makes this lapse more egregious, according to two former senior US defense officials,’ Jennifer Griffin reporte ...

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 ...