Stephen Miller could soon become Trumps new National Security Adviser after the firing of Mike Waltz in the wake of the ...

Researchers uncover security weaknesses in obscure TM SGNL app and indications that its Israeli maker was itself recently ...

Former FBI operative Eric O'Neill breaks down the recent Signal Gate controversy and discusses where we go from here.

Trumps White House purge is making headlines after he abruptly fired National Security Adviser Mike Waltz. Reports suggest a ...

A photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials.

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet ...

Former National Security Adviser Mike Waltz archived official government messages sent on Signal through an Israeli app with ...

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting ...

RONALD J. DEIBERT is Professor of Political Science and Director of the Citizen Lab at the University of Toronto Munk School ...

A leak of information on American military operations caused a major political incident in March 2025. The Security Think ...

President Trump praised Waltz’s commitment to national interests and reforms at the National Security Council, suggesting his ...

Michael Waltz, national security advisor to President Trump, and deputy Alex Wong are resigning amid controversy over a ...