Regardless of app security, experts say communicating the military plans of the U.S. government in a non-classified space ...

House Foreign Affairs Committee member Rep. Sara Jacobs on Monday blasted the Trump administration's use of the Signal ...

Signal, a messaging app known for its end-to-end encryption and focus on privacy, is facing renewed scrutiny in an era where ...

Created by the entrepreneur Moxie Marlinspike, Signal has gone from an exotic messaging app used by privacy-conscious ...

A conservative legal group said it was "no coincidence" that Denver Mayor Mike Johnston and his staff began communicating on ...

Former national security officials react with horror to revelations of Trump administration officials sharing military strike ...

Top national security officials for President Donald Trump, including his defense secretary, texted war plans for upcoming ...

The Signal messages show the inner workings of the president's team and how his Vice-President JD Vance disagreed with him.

Congressional Republicans on Monday aired concerns about the Trump administration’s handling of classified material after a ...