There's a portion of config-sample.php that's led'Authentication Unique Keys.' You will find. There is a hyperlink how to fix hacked wordpress site within that part of code.You change, copy the contents which you return, and must enter that link in your browser. That makes it harder for attackers to create a'logged-in' dessert for your website.
Protect your login credentials - Do not keep your login credentials where a hacker might locate them. Store them off, and even offline. Roboform is good for protecting them, also. Food for thought!
It's a WordPress my response plugin. They're drop dead simple to install, have all the functions you need for a task like this, and are relatively inexpensive, especially when compared to having to employ someone to get this done for you.
You can make a firewall that blocks hackers from infiltrating your own blogs. The hacker is prevented by the firewall from coming into your files. You must also have updated version of Apache. Upgrade your PHP also. It's essential that your system is full of upgrades.
Oh . And incidentally, I talked about plugins. When you get a plugin, make sure it's a safe one. Do not install any plugin simply because the owner is saying on his website that plugin will allow you to do that or this. Maybe use a test site to look at the plugin, or maybe get a software engineer to analyze it. This way you'll know it is not a threat for you or your organization.