


It also does not allow groups to add people automatically unless the users give their nod. It does not allow backup of chats to Google Drive or iCloud. If you would like to send messages to individual phone numbers and Signal Messenger groups, separate notifiers need to be created. However, it’s not possible to mix phone numbers and Signal Messenger groups in a single notifier. It is available for iPhone, iPad, Windows, Mac, Android and Linux. Both phone numbers and Signal Messenger groups can be added to the recipientslist. Signal's tagline is ‘say hello to privacy’. It is an end-to-end encrypted messaging platform like WhatsApp. The Signal app was created by Signal Foundation, set up by former WhatsApp co-founder Brian Acton who left WhatsApp in 2017. To enable registration lock, go into settings, select account and tap on the registration lock option. “Signal's commitment to your privacy –to building a product that protects your information from third parties including Signal–is what ensured that message history, profile info, contact lists, and other data were not vulnerable in this incident,” Signal said in the tweet.

Via Twilio, attackers may have accessed phone numbers & SMS registration codes for 1,900 Signal users. Recently which provides SMS verification services for Signal, suffered a phishing attack.
