Download Signal for Android, iOS, Linux, macOS, and Windows.

Oct 20, 2025 · Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private.

The Signal Protocol (formerly known as the TextSecure Protocol) is a non- federated cryptographic protocol that provides end-to-end encryption for voice and instant messaging …

How to use Signal and what can you do with the app? In this Signal guide you’ll find everything: how to download and install it, basic features, privacy and security options, tips, and handy …

Mar 26, 2025 · The private messaging Signal is not a secure government network but it is used by many government officials and journalists. NPR's Leila Fadel talks with Matt Blaze, …

Update your package database and install Signal: sudo apt update &&sudo apt install signal-desktop. 2013-2025 Signal, a 501c3 nonprofit.

Mar 25, 2025 · Defense Secretary Pete Hegseth and other Trump officials allegedly used Signal for a group chat to discuss a highly sensitive operation.

State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else …

Download Signal app for Android, iOS, iPhone, iPad, iPod Touch, or Desktop for free! Get the latest version of Signal Messenger.

Signal users can send private messages and make secure calls to other Signal users anywhere in the world for free over the internet. All Signal-to-Signal communication is private and end-to …