How to Know if You’ve Been Hacked? If you think your smartphone is your private zone, you may be very wrong. So far, there is no such device that can’t be hacked. We often see our smartphones as our secure digital havens. We use them to keep our most personal information: from pictures to credit card details. Some people even save their passwords in Notes. That’s a bit too much, right? You probably have all your text and email communication, including work stuff, based or synchronized on your phone. To reduce the potential risks, we figured out three things: the ways your phone can be hacked, how to recognize them, and how to protect your phone from hackers.