The news of Trump officials using Signal for a group chat on military operations has raised many questions about just how secure such messaging apps are and the risks if government officials use them ...

National security adviser Mike Waltz and Defense Secretary Pete Hegseth are facing major backlash over their use of Signal, the encrypted ... international specific devices, not their usual laptops ...

Struggling with a weak cellphone signal can ... how you can use Google Maps when you're offline and how you can maybe fix your internet when it's down. The settings on your phone can help you ...

The Pentagon-wide advisory—which cautioned employees not ... phone-monitoring malware or something as simple as someone peering over your shoulder, there is nothing Signal can do. In a lengthy ...