WhatsApp has a massive security problem, but you may be able to avoid it
(Android Central)

You can be locked out of your WhatsApp account. What you need to know Researchers have discovered a worrying vulnerability within WhatsApp. Users can be locked out of their accounts thanks to a massive flaw involving just a phone number. WhatsApp users are encouraged to enable two-step authentication on their accounts. WhatsApp has a big security issue right now, and it doesn`t seem to be doing much about it. The app has seen its fair share of problems lately, including a mass exodus from the platform after it announced its new privacy policy requiring accounts to be connected to Facebook. It turns out that privacy isn`t the only problem WhatsApp has to deal with, not that a huge security flaw has been discovered. A pair of researchers have uncovered a flaw (via Forbes) that allows attackers to lock anyone out of their WhatsApp account with just their phone number. It works because upon installing the app, the app will ask for a phone number. The attacker can input any number, ...