That's why I always tell my family members this popular messaging app is cool, but make sure you don't end up like that couple that got arrested in the UK for using this app. Life is better on this app when you use (WhatsPrivcy) it's a highly recommended app, that takes out the cognitive mental effort in managing privacy settings. And WhatsPrivcy is highly secure, uses no internet connection and runs on local device storage.
Researchers from Vienna have discovered a massive security vulnerability in WhatsApp, enabling them to identify 3.5 billion users. The lack of query limits allowed for the large-scale collection of usernames, profile pictures and status messages.