WhatsApp is updating its messaging app so that every text message and voice call will be encrypted for the company’s one billion users.
Yes, Whatsapp has finally implemented full end-to-end encryption, as promised a year ago.
This means, from now every message, image or voice call you made will be secured by end-to-end encryption so that only you and the person you’re communicating with can
Source: WhatsApp turns on End-to-End Encryption by default for its 1 Billion Users