Hackers would love to get their hands on your personal information, especially email, social media and other types of communication. You never know what they'll find in there that helps them steal your identity, trick you into giving up more information, blackmail you, or trick your friends.
That's why it's scary that the most popular text message app is so easy to hack. It doesn't even take a skilled hacker. Anyone with your phone number, your phone and a few seconds can do it.
The app in question is WhatsApp, which as we speak is approaching 800 million users. It's no wonder Facebook bought it last year for $19 billion.
Unfortunately, WhatsApp has had its fair share of privacy problems, and now you can add another one to the list. Here's how it works.