Encrypted 'Secret Conversations' roll out to all 900 million Facebook Messenger users

Facebook Messenger's‘Secret Conversations’ are now available for all 900 million of its users.
If you’re new to Secret Conversations, what you should know is that these are extra-secure conversations that add end-to-end encryption to the range of security measures that all regular Facebook Messenger conversations already make use of.
Secret Conversations are based on the Signal protocol. This encryption layer has been first implemented by Open Whisper Systems with the Signal app but has since been adopted by Google's Allo, and Facebook's own Whatsapp.
If you’re not seeing the new feature, make sure that Facebook Messenger on your device is running the latest update of the app.
source: Wired

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