Confidentiality in telecommunications becomes an increasingly publicized subject. There is a protection of personal data from the great developers. Recently, the launch has been announced signal application 2.0, a free application for mobile phones iPhone and Android, which has the role of encrypting messages and calls. The application does not require authentication, but only needs your phone number. If someone is trying to access your images, messages or videos, the Signal 2.0 application will announce through push notification.
The Signal 2.0 application is open source (the interior of the application can be modified and checked), so anyone can access its code. The new application can be downloaded from App Store and Google Play.
