The app-tracking firm Apptopia reported that Signal was downloaded about 1.3 million times a few days after the policy change. If you're new to Signal, or want to learn about it, here's what you ...

Colburn said Signal is considered a much more secure app than WhatsApp, the world’s most popular messaging app, which is owned by Meta, the parent company of Facebook, Instagram and Threads.

The US House of Representatives has prohibited WhatsApp on government devices. This decision is due to cybersecurity concerns ...

By Charles Passy . The chat app, which is run by a nonprofit foundation, has been downloaded 220 million times. Here's what to know about Signal, including who owns it and whether it's safe to use.

When you set up the app and allow access to your contacts, Signal shows you who’s already on board and lets you send invites to anyone not using it. It’s especially good for chat groups with a ...

The app Waltz was using appeared to be “TM SGNL,” a modified version of Signal that retains and archives messages to comply with presidential records preservation requirements.

Hegseth had Signal messaging app installed on an office computer. The move was intended to circumvent a lack of cellphone service in much of the Pentagon and enable easier communication with other ...