Defense Secretary Pete Hegseth used the Signal app on a personal computer in his office that was connected to the internet on an unsecured commercial line, what's known as a "dirty line," two sources ...

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 ...

Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

WASHINGTON (AP) — The Pentagon’s watchdog found that Defense Secretary Pete Hegseth put U.S. personnel and their mission at risk when he used the Signal messaging app to convey sensitive information ...

(The Hill) – Top Trump administration officials were revealed this week to have been using digital messaging app Signal to communicate sensitive details about an impending military strike against ...

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 information is ...

The Trump administration struggled Wednesday to stem the fallout from revelations that top national security officials discussed sensitive attack plans over a messaging app and mistakenly added a ...

Question: What’s the difference between Signal and WhatsApp, and should I switch? Answer: Until recent news involving the Signal app, it was a relatively unknown messaging app compared with WhatsApp ...