There is a portion of config-sample.php that is led'Authentication Unique Keys.' Four explanations that appear within the block will be found by you. A hyperlink is fix hacked wordpress within that section of code.You copy the contents which you return have to enter that link into your browser, and change. This makes it harder for attackers to generate a'logged-in' dessert for your website.
Everything you have worked for will go with it, should the server of your site return. You'll make no sales, get no traffic or signups to your site, until you have the website and in short, you're out of business.
Keep control of your assets - Nothing is worse than see this site having your livelihood in somebody else's hands. Why take chances with something as important as your website?
What if you visit WP-Content/plugins, can you view that folder? If so, upload that blank Index.html file into that folder as well site link so people can't view what plugins you might have. Because if your version of WordPress is up to date, if you're using a plugin or an old plugin using a security hole, someone can use this to visit this page get access.
The plugin should be updated play nice with of your other plugins to remain current with the latest WordPress release and have WordPress and restore capabilities. The ability to clone your website (in addition to regular backups) can be helpful if you ever want to do an offline site redesign, among other things.