Moxie Marlinspike, the cryptographic prodigy who wrote the code that underpins Signal and WhatsApp, has a new project—and it ...

Signal Private Messenger is available for free worldwide for both iOS and Android and allows its millions of users to send texts, videos, and files, make voice and video calls, and shield your ...

Open Whisper Systems, a provider of security-related technologies and apps for mobile devices, has started rolling out an Android version of its private messaging and calling iOS app Signal. In doing ...

Almost immediately after news broke that US government officials had inadvertently shared war plans with a journalist last week, misinformation began to fly. Much of it had to do with the inner ...

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 ...

A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive information is ...

A spokesperson for Denver Mayor Mike Johnston admitted this week that the office has been operating an internal group on the encrypted messaging app Signal that was monitoring news stories and had ...

A messaging service used by former National Security Advisor Mike Waltz has temporarily shut down while the company investigates an apparent hack. The messaging app is used to access and archive ...

LONDON — A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive ...