Article courtesy of Quartz, written by Joon Ian Wong.
Everything on WhatsApp is now encrypted, end-to-end, for all operating systems. That means engineers at the Facebook-owned chat app wouldn’t be able to read messages or watch video calls sent by its users even if ordered to do so by a court.
“WhatsApp’s end-to-end encryption ensures only you and the person you’re communicating with can read what is sent, and nobody in between, not even WhatsApp,” according to an explanation on the app’s website. Wired was the first to report on the feature.
WhatsApp has a billion users, making it the world’s most popular chat app by some distance. End-to-end encryption is not an entirely new feature on the app: It’s been pushed to hundreds of millions of users on the Android mobile operating system since November 2014. But that rollout didn’t cover all types of messages, like group chats, videos, or photos. It also didn’t cover other operating systems, like Apple’s iOS or Windows Phone, although Android is the world’s most popular mobile OS. READ MORE