There is a part of config-sample.php that is headed'Authentication Unique Keys.' You will find four explanations that appear within the block. A hyperlink is repair hacked wordpress site inside that part of code.You change the keys you have with the specific keys given by the website, copy the contents which you return, and must enter that link into your browser. That makes it harder for attackers to quickly generate a'logged-in' dessert for your site.
Basically, it all will start with the fundamentals. Attempt using complex passwords. Use special characters, numbers, letters, and spaces and combine them to create a password that is special. You can use.
Keep your WordPress Setup to date - One of the simplest and see most valuable tasks you can do yourself is to ensure useful site that your WordPress installation is upgraded. WordPress gives you a notice on your dashboard, so there's really no reason to not do this.
As I (our fictitious Joe the Hacker) know, people have far too many usernames and passwords to remember. You have got Twitter, Facebook, your online banking, LinkedIn, two blog logins, FTP, internet hosting, etc. accounts that all come with logins and passwords you need to remember.
Do your homework and some hunting, but if you are pressed for time and want to get this done once and for all, try the WordPress security plugin that I use. It's a relief to know that my website (and business!) are secure.