WhatsApp has turned on encryption for its one billion users. Meaning, WhatsApp will now encode messages or information in such a way that only the receiving parties can read it. Encryption does not of itself prevent interception, but denies the message content to the interceptor.
In Whatsapp’s encryption scheme, the intended communication information or message, referred to as plaintext, is encrypted using an encryption algorithm, generating ciphertext that can only be read if decrypted. The new end-to-end system theoretically means no one—not even WhatsApp engineers or the NSA—can read users’ messages on the wildly popular app. More than a billion people trade messages, make phone calls, send photos, and swap videos using the service everyday.
Instances of privacy of users and other recent controversies surrounding the social space may have prompted the move. But one thing is certain: its certainly good for Whatsapp users across the globe.
Explaining the necessity of the move, WhatsApp on its official blog has said “WhatsApp has always prioritized making your data and communication as secure as possible. And today, we’re proud to announce that we’ve completed a technological development that makes WhatsApp a leader in protecting your private communication: full end-to-end encryption. From now on when you and your contacts use the latest version of the app, every call you make, and every message, photo, video, file, and voice message you send, is end-to-end encrypted by default, including group chats.”
“The idea is simple: when you send a message, the only person who can read it is the person or group chat that you send that message to. No one can see inside that message. Not cybercriminals. Not hackers. Not oppressive regimes. Not even us. End-to-end encryption helps make communication via WhatsApp private – sort of like a face-to-face conversation.”
So the advise for you is : Quickly update your Whatsapp app