The controversial conservative government blueprint Project 2025 included a training video addressing whether Republican ...

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

Nahal Toosi is POLITICO’s senior foreign affairs correspondent. She has reported on war, genocide and political chaos in a career that has taken her around the world. Her reported column, Compass, ...

National security adviser Mike Waltz’s team regularly set up chats on Signal to coordinate official work on issues including ... sparking a firestorm of political backlash and calls for Trump ...

Signal is often recommended for use by privacy ... “You’re supposed to know about classifications.” The broader political implications of the controversy are also coming into focus.

Trump officials are facing bipartisan criticism and calls for their resignation for allegedly discussing military plans on Signal.

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the commercial Signal app to coordinate official work on issues involving China, ...

His primary focus is on President Biden, Vice President Harris and political issues across the country ... That's what happened." Signal only allows users to add people to chat groups by phone ...

The Signal chat scandal sent shock waves around the world — all the way from Washington, DC, to Yemen — and the extraordinary breach will have lasting implications for US national security.