Signal purports to be an open-source app that prioritizes user privacy. It stores minimal data on its servers — phone numbers, join dates and last logins — while keeping messages, contacts and ...

But Signal isn’t the only messaging app that uses end-to-end encryption, and end-to-end encryption isn’t the only consideration in choosing a secure messaging app.

The nonprofit Signal Foundation was set up in 2018 to support the app’s operations as well as “investigate the future of private communication,” according to the foundation’s website.

Aside from the app itself, the encryption protocol that Signal uses has become a kind of best-practice secrecy system for major tech services over the last year. Whatsapp rolled it out to all of ...

Choose the desired option. Close and exit the app. Restart the Signal app to start messaging. To make the best use of the app, make sure you’re using the latest version of Signal Private Messenger.

Signal, an app loved by Edward Snowden that allows encrypted messages and calls to be made, is coming to Android, six months after launching on Apple's iOS operating system.