A messaging app called Signal based in San Francisco was used by the Trump administration to discuss war plans.

High-level Trump officials used the digital messaging app Signal to communicate sensitive details about an impending military ...

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

Defense Secretary Pete Hegseth used the Signal app to discuss timing of a March 15 strike against Houthis in Yemen. The Pentagon’s acting inspector general has launched a review into whether the use ...

Signal has been the most high-profile app in the news lately because of the controversy surrounding its use by Defense Secretary Pete Hegseth. Signal is a secure messaging platform known for ...

The “knock-off” Signal app Mike Waltz was caught using, which lacks security guarantees, can be hacked in “15 to 20 minutes,” according to a report. “I would say the whole process took about 15 to 20 ...

WASHINGTON — The Pentagon’s acting inspector general announced Thursday that he would review Defense Secretary Pete Hegseth’s use of the Signal messaging app to convey plans for a military strike ...

LONDON (AP) — A magazine journalist’s account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive ...

Stream NBC 5 for free, 24/7, wherever you are. A photo taken by Reuters' Evelyn Hockstein during a Cabinet meeting Wednesday shows Waltz holding his phone below the table, with the encrypted-texting ...

Defense Secretary Pete Hegseth and Signal are back in the news. The New York Times reported Sunday that Hegseth created a Signal messaging chat that included his wife and brother. The details of the ...

WASHINGTON — The Pentagon’s acting inspector general announced Thursday that he would review Defense Secretary Pete Hegseth’s use of the Signal messaging app to convey plans for a military strike ...