WhatsApp vs. Signal vs. Google Allo: Which app is best for privacy?

THIS SPRING, TEXT messages got a lot more private. In April, the world’s most popular messaging service, WhatsApp, announced it would use end-to-end encryption by default for all users, making it virtually impossible for anyone to intercept private WhatsApp conversations, even if they work at Facebook, which owns WhatsApp,

You can now encrypt your Facebook Messenger chats

Your Facebook Messenger chats can now be secure from prying eyes — with a few caveats.

Facebook began implementing end-to-end encryption to all of its 900 million Messenger users earlier this year, and that roll-out has finished, the company told Wired Tuesday.