Researchers warned that Chinese residents, and visitors to China, should be aware of the tool's existence and the risks it ...

We’ve all dealt with little to no cell phone service before, and it typically tends to come at a time when you desperately ...

Android: Swipe down from the top of your screen -- to access the Quick Settings panel -- and then tap the Airplane mode icon.

Mike Waltz, who departed as Trump’s national security adviser, inadvertently added The Atlantic’s editor-in-chief to a Signal chat used to discuss military plans with other top officials.

Mike Waltz, who departed as Trump's national security adviser, inadvertently added The Atlantic's editor-in-chief to a Signal chat used to discuss military plans with other top officials.

Security experts have said the U.S. government should aggressively audit TeleMessage before continuing to use the service to archive Signal or other messages.