However, if you protect your data, files or folder with password then no one can access your data. The problem gets bigger if your computer data or drive including your private files and folders get stolen or you could lose it by accident. Sometimes we feel that our important documents on the computer is not secure. There is always some important documents on your PC that you want to keep for yourself and don't want others to access or view. Every day we store our data, private files, folders to a computer.