

By publishing an app’s code publicly, anyone can examine it to ensure the app is doing what it is supposed to be doing. Open source code is another important indicator that a service is secure. But this does nothing to stop Facebook from abusing metadata: information about whom you communicate with, from where, at what time, how often, and from which device. WhatsApp uses end-to-end encryption, so the actual messages are therefore secure on the platform. This means messages are encrypted on your device and can only be decrypted on the device of the intended recipient.

News that WhatsApp has been sharing large amounts of highly personal data with Facebook since 2016 has led a large number of unhappy users to look for an alternative messaging app that genuinely respects their privacy.Īt Proton, we view end-to-end encryption as a core requirement for any messenger app that claims to be secure and private.
