WhatsApp will begin rolling out the end-to-end encryption for chat backups it announced in September for its users globally on Android and iOS devices.
The Facebook-owned messaging service has more than 2 billion users globally and over 400 million in India. These users send more than 100 billion messages a day.
With this update, if someone chooses to back up his chat history with end-to-end encryption, it will be accessible only to him, and no one will be able to unlock the backup, not even WhatsApp. Neither WhatsApp nor the backup service provider (like Apple) will be able to access their end-to-end