End-to-end encryption is an important feature in messaging, but it’s not a security panacea that will protect users from surveillance. You still have to have a secured device to safeguard your messages.
While there are a number of messaging apps from which to choose, only a dozen or so have marketplace gravitas. The best-known and most-utilized are usually the ones that come with your smartphone: the Google, Samsung, and Apple Messages apps, the Facebook Messengers, and the Whatsapps of the world. Most people don’t even think about their messaging app — they take it for granted and simply check notifications regularly. But there are differences between them, and the most important ones involve security, because all messaging is speedy and virtually instantaneous.
