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 ...

Due to apparent problems with Amazon's cloud computing service, numerous other providers experienced disruptions on Monday ...

Signal is back in the headlines, but this time it's not for a security breach, but rather a high-profile example of how it's designed to work. Recent news highlighted an incident where classified ...

Meredith Whittaker is using the AWS outage as an opportunity to highlight the ‘concentration of power’ in the cloud ...

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 ...

You can invite someone to Signal using the "Invite Friends" menu in the app, which will send a text message or email.

A few weeks ago we witnessed an incident where military leaders inadvertently included a reporter in what was supposed to be a closed, secure communication channel, all due to the use of the Signal ...

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

Signal's file size limits change depending on what device you're using, and what you're trying to share.