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

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 ...

Lawmakers and legal experts claim the Yemen Signal group chat ‘blatantly violated security regulations designed to prevent ...

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

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.

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 ...

Al-Monitor is an award-winning media outlet covering the Middle East, valued for its independence, diversity and analysis. It is read widely by US, international and Middle East decision makers at the ...

Analysts have raised questions about views expressed by Vice President JD Vance on a text chain with other officials before ...

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

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 ...