The answer to this is Encryption. If you are still new in the world of creating websites and content online, you should become familiar with encryption. This will allow you to keep your website and all other information that you will share online to stay safe. You can use this to protect your hidden and important folders.
You can protect the data that holds your credit card information and so much more through data encryption. This is not only used for your computer. You use this every time you withdraw money from the ATM. This is also used whenever you need to lock and unlock your vehicle.